Results
Contents are Copyright 2005 by Robert Silvers and may not be reproduced without permission.
We are testing in accordance with MIL-STD-1474D using calibrated military-approved equipment and provide these or unweighted results. Measurement equipment includes calibrated Brüel & Kjær model 2209 Impulse Precision Sound Level Meter with 20 μs rise time using GRAS pressure measurement microphone model 40BP (Bruel & Kjaer model 4136 equivalent) while positioned one meter left and level with muzzle, oriented upward, and 1.6 meters above dirt/grass. Digital samples are taken from AC output signal path by M-Audio Solo at 10.4 μs intervals (96,000 per second) and 24 bit resolution (16.7 million possible steps). Recording hardware rise-time has been estimated at (using the 0.35/BW formula) 8.75 microseconds while the microphone is estimated to have a rise-time of 5.0 microseconds. Total system calibration during each use with Brüel & Kjær model 4220 Pistonphone. Sound analysis is linear to better correlate with perception. Linear measurement results in higher levels than "A" weighing and this data should not be compared to MIL-STD data. Temperature and humidity measurements by Kestrel meters. Silencers will be examined for evidence of artificial environments. If present, this will be noted unless the medium can be removed.
Please see Testing Method for a more complete description as well as a link to the previous method last used on May 6th, 2005.
You may click on the top of any column to sort the data by that field. You
may click on the model name for a detailed review.
.22lr unweighted | ||||||||||||||||||||||
Manufacturer | Model | Price | Length | Diameter | Cu. In. | Weight (oz) | Bore | Temp | Humidity | Pressure | Date | Weapon | Barrel Length | Ammunition | Velocity (fps) | Unsuppressed | Suppressed | Net | First Round | dB/ci | dB/oz | Details |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SWR | Warlock | 0.00 | 0.00 | 0 | 0.0 | 0.00 | 60 | 50 | 29.50 | 2005-04-24 | P22 | 3.5 | CCI standard | N/A | 160.7 | 117.7 | 43.0 | 3.8 | 0.0 | 0.0 | ||
AAC | Pilot | 5.04 | 1.00 | 4 | 3.0 | 0.00 | 60 | 50 | 29.50 | 2005-04-24 | P22 | 3.5 | CCI standard | N/A | 160.7 | 119.8 | 40.9 | 7.2 | 10.3 | 13.6 | ||
Gemtech | Outback II | 0.00 | 0.00 | 0 | 0.0 | 0.00 | 60 | 50 | 29.50 | 2005-04-24 | P22 | 3.5 | CCI standard | N/A | 160.7 | 120.8 | 40.0 | 7.6 | 0.0 | 0.0 | ||
SRT Arms | Cheyenne XL | 0.00 | 0.00 | 0 | 0.0 | 0.00 | 60 | 50 | 29.50 | 2005-04-24 | P22 | 3.5 | CCI standard | N/A | 160.7 | 123.0 | 37.8 | 5.5 | 0.0 | 0.0 | ||
SRT Arms | Apache | 0.00 | 0.00 | 0 | 0.0 | 0.00 | 60 | 50 | 29.50 | 2005-04-24 | P22 | 3.5 | CCI standard | N/A | 160.7 | 123.0 | 37.7 | 7.2 | 0.0 | 0.0 | ||
SRT Arms | Cheyenne | 0.00 | 0.00 | 0 | 0.0 | 0.00 | 60 | 50 | 29.50 | 2005-04-24 | P22 | 3.5 | CCI standard | N/A | 160.7 | 123.2 | 37.6 | 9.2 | 0.0 | 0.0 | ||
Tac-Inv | Tac65 | $229.99 | 5.97 | 1.09 | 5.6 | 4.2 | 0.00 | 60 | 50 | 29.50 | 2005-04-24 | P22 | 3.5 | CCI standard | N/A | 160.7 | 124.9 | 35.9 | 6.7 | 6.4 | 8.5 | Disassembles |
Tac-Inv | Tac67 | $359.99 | 5.97 | 1.08 | 5.5 | 9.5 | 0.00 | 60 | 50 | 29.50 | 2005-04-24 | P22 | 3.5 | CCI standard | N/A | 160.7 | 125.1 | 35.6 | 11.4 | 6.5 | 3.7 | Full auto rated, stainless baffles, disassembles. |
SRT Arms | Odessa | $285.00 | 3.93 | 1.00 | 3.1 | 3.0 | 0.00 | 60 | 50 | 29.50 | 2005-04-24 | P22 | 3.5 | CCI standard | N/A | 160.7 | 127.7 | 33.0 | 9.7 | 10.7 | 11.0 | Shortest testest this session. |
Tac-Inv | Tac52 | $244.99 | 5.20 | 1.09 | 4.9 | 3.7 | 0.00 | 60 | 50 | 29.50 | 2005-04-24 | P22 | 3.5 | CCI standard | N/A | 160.7 | 128.7 | 32.1 | 5.2 | 6.6 | 8.7 | Disassembles |
.308 MIL-STD-1474D | ||||||||||||||||||||||
Manufacturer | Model | Price | Length | Diameter | Cu. In. | Weight (oz) | Bore | Temp | Humidity | Pressure | Date | Weapon | Barrel Length | Ammunition | Velocity (fps) | Unsuppressed | Suppressed | Net | First Round | dB/ci | dB/oz | Details |
SoundTech | AWS | $1150.00 | 22.50 | 1.38 | 33.7 | 45.0 | 0.00 | 74 | 56 | 29.80 | 2005-06-04 | AWS | 16.0 | M80TZ | N/A | 169.8 | 138.6 | 31.2 | 2.9 | 0.9 | 0.7 | Needs AI barrel. |
SoundTech | Black Star | $685.00 | 9.38 | 1.63 | 19.6 | 30.5 | 0.37 | 74 | 56 | 29.80 | 2005-06-04 | M700 | 19.5 | M80TZ | N/A | 169.4 | 139.9 | 29.5 | 2.9 | 1.5 | 1.0 | |
SRT | Shadow | $625.00 | 8.13 | 1.50 | 14.4 | 27.8 | 0.38 | 74 | 56 | 29.80 | 2005-06-04 | M700 | 19.5 | M80TZ | N/A | 169.4 | 141.2 | 28.1 | -0.1 | 2.0 | 1.0 | Shortest |
Ops Inc. | 3rd model | 11.88 | 1.50 | 21 | 27.8 | 0.35 | 74 | 56 | 29.80 | 2005-06-04 | M700 | 19.5 | M80TZ | N/A | 169.4 | 141.4 | 28.0 | 1.8 | 1.3 | 1.0 | Needs special barrel profile. | |
AWC | Thundertrap | 8.75 | 1.63 | 18.3 | 36.5 | 0.35 | 74 | 56 | 29.80 | 2005-06-04 | SSG-PIIK | 20.0 | M80TZ | N/A | 168.3 | 141.7 | 26.6 | 3.1 | 1.5 | 0.7 | ||
AAC | Cyclone | $650.00 | 8.25 | 1.50 | 14.6 | 30.5 | 0.37 | 74 | 56 | 29.80 | 2005-06-04 | SSG-PIIK | 20.0 | M80TZ | N/A | 168.3 | 141.8 | 26.5 | 2.6 | 1.8 | 0.9 | All welded. |
Gemtech | TPR-S | 9.25 | 1.51 | 16.6 | 41.5 | 0.36 | 74 | 56 | 29.80 | 2005-06-04 | M700 | 19.5 | M80TZ | N/A | 169.4 | 142.1 | 27.2 | 3.1 | 1.6 | 0.7 | Bilock | |
SWR | Omega 30 | 8.75 | 1.50 | 15.5 | 27.6 | 0.39 | 74 | 56 | 29.80 | 2005-06-04 | M700 | 19.5 | M80TZ | N/A | 169.4 | 142.6 | 26.8 | 4.3 | 1.7 | 1.0 | ||
Fisher Enterprises | DC | $850.00 | 11.20 | 1.50 | 19.8 | 36.5 | 0.41 | 74 | 56 | 29.80 | 2005-06-04 | M700 | 19.5 | M80TZ | N/A | 169.4 | 145.6 | 23.7 | 6.5 | 1.2 | 0.6 | Connects onto Vortex. |
Jet | 0.308 | $950.00 | 9.00 | 1.49 | 15.7 | 20.4 | 0.35 | 74 | 56 | 29.80 | 2005-06-04 | M700 | 19.5 | M80TZ | N/A | 169.4 | 149.7 | 19.7 | 3.2 | 1.3 | 1.0 | Lightest |
.308 subsonic MIL-ST | ||||||||||||||||||||||
Manufacturer | Model | Price | Length | Diameter | Cu. In. | Weight (oz) | Bore | Temp | Humidity | Pressure | Date | Weapon | Barrel Length | Ammunition | Velocity (fps) | Unsuppressed | Suppressed | Net | First Round | dB/ci | dB/oz | Details |
SoundTech | AWS | $1150.00 | 22.50 | 1.38 | 33.7 | 45.0 | 0.00 | 74 | 56 | 29.80 | 2005-06-04 | AWS | 16.0 | EBR Thumper | N/A | 159.0 | 121.3 | 37.7 | 6.9 | 1.1 | 0.8 | Needs AI barrel. |
SoundTech | Black Star | $685.00 | 9.38 | 1.63 | 19.6 | 30.5 | 0.37 | 74 | 56 | 29.80 | 2005-06-04 | M700 | 19.5 | EBR Thumper | N/A | 157.3 | 121.4 | 35.9 | 9.5 | 1.8 | 1.2 | |
Gemtech | TPR-S | 9.25 | 1.51 | 16.6 | 41.5 | 0.36 | 74 | 56 | 29.80 | 2005-06-04 | M700 | 19.5 | EBR Thumper | N/A | 157.3 | 123.8 | 33.5 | 4.7 | 2.0 | 0.8 | Bilock | |
AWC | Thundertrap | 8.75 | 1.63 | 18.3 | 36.5 | 0.35 | 74 | 56 | 29.80 | 2005-06-04 | SSG-PIIK | 20.0 | EBR Thumper | N/A | 156.8 | 125.0 | 31.9 | 3.9 | 1.7 | 0.9 | ||
AAC | Cyclone | $650.00 | 8.25 | 1.50 | 14.6 | 30.5 | 0.37 | 74 | 56 | 29.80 | 2005-06-04 | SSG-PIIK | 20.0 | EBR Thumper | N/A | 156.8 | 126.3 | 30.5 | 0.2 | 2.1 | 1.0 | All welded. |
SRT | Shadow | $625.00 | 8.13 | 1.50 | 14.4 | 27.8 | 0.38 | 74 | 56 | 29.80 | 2005-06-04 | M700 | 19.5 | EBR Thumper | N/A | 157.3 | 127.0 | 30.3 | 11.5 | 2.1 | 1.1 | Shortest |
SWR | Omega 30 | 8.75 | 1.50 | 15.5 | 27.6 | 0.39 | 74 | 56 | 29.80 | 2005-06-04 | M700 | 19.5 | EBR Thumper | N/A | 157.3 | 127.7 | 29.6 | 1.9 | 1.9 | 1.1 | ||
Jet | 0.308 | $950.00 | 9.00 | 1.49 | 15.7 | 20.4 | 0.35 | 74 | 56 | 29.80 | 2005-06-04 | M700 | 19.5 | EBR Thumper | N/A | 157.3 | 132.4 | 24.9 | 7.9 | 1.6 | 1.2 | Lightest |
Ops Inc. | 3rd model | 11.88 | 1.50 | 21 | 27.8 | 0.35 | 74 | 56 | 29.80 | 2005-06-04 | M700 | 19.5 | EBR Thumper | N/A | 157.3 | 133.0 | 24.3 | 0.5 | 1.2 | 0.9 | Needs special barrel profile. | |
Fisher Enterprises | DC | $850.00 | 11.20 | 1.50 | 19.8 | 36.5 | 0.41 | 74 | 56 | 29.80 | 2005-06-04 | M700 | 19.5 | EBR Thumper | N/A | 157.3 | 137.1 | 20.2 | 7.2 | 1.0 | 0.6 | Connects onto Vortex. |
.45 SMG MIL-STD-1474 | ||||||||||||||||||||||
Manufacturer | Model | Price | Length | Diameter | Cu. In. | Weight (oz) | Bore | Temp | Humidity | Pressure | Date | Weapon | Barrel Length | Ammunition | Velocity (fps) | Unsuppressed | Suppressed | Net | First Round | dB/ci | dB/oz | Details |
Vector | 45 | $475.00 | 12.69 | 1.58 | 24.8 | 30.3 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | UZI | 0.0 | American Eagle 230 | N/A | 0.0 | 135.8 | 0.0 | N/A | 0.0 | 0.0 | |
40 S&W MIL-STD-1474D | ||||||||||||||||||||||
Manufacturer | Model | Price | Length | Diameter | Cu. In. | Weight (oz) | Bore | Temp | Humidity | Pressure | Date | Weapon | Barrel Length | Ammunition | Velocity (fps) | Unsuppressed | Suppressed | Net | First Round | dB/ci | dB/oz | Details |
Gemtech | Raptor-40 | 9.00 | 1.50 | 15.9 | 11.6 | 0.47 | 88 | 36 | 29.90 | 2005-06-08 | MP5/40 | 8.8 | Ranger-SXT 180 | N/A | 156.8 | 125.9 | 30.9 | 6.9 | 1.9 | 2.7 | 3-lug. | |
5.45mm MIL-STD-1474D | ||||||||||||||||||||||
Manufacturer | Model | Price | Length | Diameter | Cu. In. | Weight (oz) | Bore | Temp | Humidity | Pressure | Date | Weapon | Barrel Length | Ammunition | Velocity (fps) | Unsuppressed | Suppressed | Net | First Round | dB/ci | dB/oz | Details |
AAC | Krinkov | $595.00 | 8.75 | 1.50 | 15.5 | 18.7 | 0.28 | 88 | 36 | 29.90 | 2005-06-08 | AK-74 | 16.3 | Wolf HP | N/A | 164.2 | 0.0 | 0.0 | N/A | 0.0 | 0.0 | Barrel threads not aligned. Unsuppressed had no muzzle brake. |
AAC | Krinkov | $595.00 | 8.75 | 1.50 | 15.5 | 18.7 | 0.28 | 88 | 36 | 29.90 | 2005-06-08 | AKS-74U | 8.3 | Wolf HP | N/A | 167.9 | 144.5 | 23.4 | -1.2 | 1.5 | 1.3 | Unsuppressed had no muzzle brake. |
5.56mm MIL-STD-1474D | ||||||||||||||||||||||
Manufacturer | Model | Price | Length | Diameter | Cu. In. | Weight (oz) | Bore | Temp | Humidity | Pressure | Date | Weapon | Barrel Length | Ammunition | Velocity (fps) | Unsuppressed | Suppressed | Net | First Round | dB/ci | dB/oz | Details |
SoundTech | M4-Wartech | $585.00 | 8.00 | 1.50 | 14.1 | 0.0 | 0.00 | 84 | 67 | 0.00 | 2005-06-11 | M700 | 20.0 | Imported M193 | N/A | 165.1 | 130.6 | 34.5 | 0.5 | 2.4 | 0.0 | 8 inch can, Tested in GA. |
Gemtech | M4-96D | $799.00 | 7.75 | 1.50 | 13.7 | 25.7 | 0.28 | 58 | 85 | 29.90 | 2005-06-18 | M4 | 14.5 | Win Q3131A M193 | N/A | 166.1 | 133.1 | 33.0 | 0.9 | 2.4 | 1.3 | |
YHM | 3100-A | $535.00 | 6.62 | 1.62 | 13.7 | 25.0 | 0.30 | 54 | 81 | 29.90 | 2006-01-13 | M4 | 14.5 | Win Q3131 M193 | N/A | 165.3 | 134.0 | 31.3 | 1.2 | 2.3 | 1.3 | Fast attach, weight includes net flash hider vs. A2. |
AAC | M4-2000 SOPMOD | $695.00 | 7.25 | 1.50 | 12.8 | 23.7 | 0.28 | 58 | 85 | 29.90 | 2005-06-18 | M4 | 14.5 | Win Q3131A M193 | N/A | 166.1 | 134.3 | 31.9 | 2.7 | 2.5 | 1.3 | Flash suppressor also works with KAC-M4QD |
Gemtech | M4-96D | $799.00 | 7.75 | 1.50 | 13.7 | 25.5 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | M4 | 14.5 | Win Q3131 M193 | N/A | 164.8 | 134.4 | 30.4 | 0.7 | 2.2 | 1.2 | Fast attach, BiLock. |
HTG | ARIS | $576.00 | 6.00 | 1.50 | 10.6 | 19.0 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | M4 | 14.5 | Win Q3131 M193 | N/A | 164.8 | 135.1 | 29.7 | 5.5 | 2.8 | 1.6 | Thead mount. |
SWR | SpecWar2 | 7.88 | 1.50 | 13.9 | 27.3 | 0.00 | 77 | 48 | 29.70 | 2005-05-28 | M4 | 14.5 | Win Q3131 M193 | N/A | 167.2 | 135.2 | 32.0 | 1.5 | 2.3 | 1.2 | ||
SWR | SpecWar1 | 6.62 | 1.50 | 11.7 | 22.2 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | M4 | 14.5 | Win Q3131 M193 | N/A | 164.8 | 135.2 | 29.6 | 4.3 | 2.5 | 1.3 | Thead mount. | |
KAC | M4-QD | $1200.00 | 6.38 | 1.52 | 11.6 | 22.0 | 0.30 | 54 | 81 | 29.90 | 2006-01-13 | M4 | 14.5 | Win Q3131 M193 | N/A | 165.3 | 135.4 | 29.9 | -1.2 | 2.6 | 1.4 | Fast attach. Weight includes net flash hider vs. A2. |
KAC | M4-QD | $1200.00 | 6.38 | 1.52 | 11.6 | 22.5 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | M4 | 14.5 | Win Q3131 M193 | N/A | 164.8 | 135.6 | 29.3 | 2.5 | 2.5 | 1.3 | Fast attach. |
AAC | M4-2000 | $695.00 | 7.31 | 1.50 | 12.9 | 21.5 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | M4 | 14.5 | Win Q3131 M193 | N/A | 164.8 | 135.8 | 29.1 | 1.4 | 2.3 | 1.4 | Fast attach. |
SWR | SpecWar2 | 7.88 | 1.50 | 13.9 | 27.3 | 0.00 | 58 | 85 | 29.90 | 2005-06-18 | M4 | 14.5 | Win Q3131A M193 | N/A | 166.1 | 135.9 | 30.2 | -0.7 | 2.2 | 1.1 | ||
SoundTech | M4-Wartech | $585.00 | 6.94 | 1.50 | 12.3 | 21.2 | 0.27 | 77 | 48 | 29.70 | 2005-05-28 | M4 | 14.5 | Win Q3131 M193 | N/A | 167.2 | 136.0 | 31.2 | 5.6 | 2.5 | 1.5 | 2209 meter |
SWR | SpecWar2 | 7.88 | 1.50 | 13.9 | 27.3 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | M4 | 14.5 | Win Q3131 M193 | N/A | 164.8 | 136.0 | 28.8 | 0.1 | 2.1 | 1.1 | Fast attach, BiLock. | |
AAC | Omni | $695.00 | 7.00 | 1.50 | 12.4 | 20.2 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | M4 | 14.5 | Win Q3131 M193 | N/A | 164.8 | 136.1 | 28.7 | 1.2 | 2.3 | 1.4 | Works on A2 flash hider. One piece. |
SoundTech | M4-Wartech | $585.00 | 6.88 | 1.50 | 12.2 | 21.2 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | M4 | 14.5 | Win Q3131 M193 | N/A | 164.8 | 136.3 | 28.6 | 2.9 | 2.4 | 1.3 | Thead mount. |
Gemtech | HALO | $675.00 | 7.75 | 1.50 | 13.7 | 25.0 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | M4 | 14.5 | Win Q3131 M193 | N/A | 164.8 | 136.9 | 27.9 | 3.3 | 2.0 | 1.1 | Works on A2 flash hider. Two piece. |
SoundTech | M4-Wartech | $585.00 | 6.94 | 1.50 | 12.3 | 21.2 | 0.27 | 58 | 85 | 29.90 | 2005-06-18 | M4 | 14.5 | Win Q3131A M193 | N/A | 166.1 | 136.9 | 29.2 | 4.4 | 2.4 | 1.4 | |
KAC | M4-QD | $1200.00 | 6.50 | 1.51 | 11.6 | 22.3 | 0.30 | 58 | 85 | 29.90 | 2005-06-18 | M4 | 14.5 | Win Q3131A M193 | N/A | 166.1 | 137.0 | 29.2 | 5 | 2.5 | 1.3 | |
SureFire | FA556A | $1200.00 | 7.62 | 1.50 | 13.5 | 19.6 | 0.27 | 54 | 81 | 29.90 | 2006-01-13 | M4 | 14.5 | Win Q3131 M193 | N/A | 165.3 | 137.4 | 27.9 | 0.4 | 2.1 | 1.4 | Sound was 137.3 dB at right ear. Fast attach. Weight includes net flash hider vs. A2. |
Tac-Inv | Tac16 | $374.99 | 6.63 | 1.63 | 13.8 | 23.7 | 0.30 | 58 | 85 | 29.90 | 2005-06-18 | M4 | 14.5 | Win Q3131A M193 | N/A | 166.1 | 137.7 | 28.4 | 3.9 | 2.1 | 1.2 | |
SWR | Wolverine | 5.75 | 1.50 | 10.2 | 20.0 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | M4 | 14.5 | Win Q3131 M193 | N/A | 164.8 | 137.9 | 26.9 | -0.3 | 2.6 | 1.3 | Thread mount. | |
Gemtech | M4-02 | $495.00 | 6.19 | 1.38 | 9.3 | 17.8 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | M4 | 14.5 | Win Q3131 M193 | N/A | 164.8 | 138.8 | 26.1 | 4.2 | 2.8 | 1.5 | Thead mount. |
AAC | Ranger | $595.00 | 6.25 | 1.50 | 11 | 19.4 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | M4 | 14.5 | Win Q3131 M193 | N/A | 164.8 | 138.8 | 26.0 | 2.3 | 2.4 | 1.3 | Thead mount. |
HTG | Eureka | $548.00 | 4.62 | 1.50 | 8.2 | 15.0 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | M4 | 14.5 | Win Q3131 M193 | N/A | 164.8 | 139.9 | 24.9 | 2.4 | 3.0 | 1.7 | Thead mount. |
AAC | SCAR-SD | $995.00 | 5.88 | 1.50 | 10.4 | 17.6 | 0.29 | 54 | 81 | 29.90 | 2006-01-13 | M4 | 14.5 | Win Q3131 M193 | N/A | 165.3 | 141.4 | 24.0 | 3.3 | 2.3 | 1.4 | Sound was 137.9 dB at right ear. Fast attach. Weight includes net flash hider vs. A2. |
HTG | Universal | $477.00 | 5.62 | 1.00 | 4.4 | 8.2 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | M4 | 14.5 | Win Q3131 M193 | N/A | 164.8 | 144.2 | 20.6 | -0.1 | 4.7 | 2.5 | .22lr/.223 dual use. Thread mount. |
5.56mm unweighted | ||||||||||||||||||||||
Manufacturer | Model | Price | Length | Diameter | Cu. In. | Weight (oz) | Bore | Temp | Humidity | Pressure | Date | Weapon | Barrel Length | Ammunition | Velocity (fps) | Unsuppressed | Suppressed | Net | First Round | dB/ci | dB/oz | Details |
SoundTech | M4-Wartech | $585.00 | 6.94 | 1.50 | 12.3 | 21.2 | 0.27 | 60 | 42 | 29.88 | 2005-05-14 | M4 | 14.5 | Win Q3131 M193 | N/A | 166.5 | 137.7 | 27.8 | 4.8 | 2.3 | 1.3 | B+K 2209 meter, linear setting. |
AAC | M4-2000 | $695.00 | 7.25 | 1.50 | 12.8 | 23.7 | 0.28 | 55 | 49 | 30.35 | 2005-05-06 | M4 | 14.5 | Win Q3131 M193 | N/A | 168.3 | 138.8 | 29.5 | -0.9 | 2.3 | 1.2 | Quick release |
Gemtech | M4-96D | $799.00 | 7.75 | 1.50 | 13.7 | 25.7 | 0.28 | 55 | 49 | 30.35 | 2005-05-06 | M4 | 14.5 | Win Q3131 M193 | N/A | 168.3 | 138.9 | 29.4 | 1.5 | 2.1 | 1.1 | Bi-Lock mount |
SoundTech | M4-Wartech | $585.00 | 6.94 | 1.50 | 12.3 | 21.2 | 0.27 | 55 | 49 | 30.35 | 2005-05-06 | M4 | 14.5 | Win Q3131 M193 | N/A | 168.3 | 140.6 | 27.7 | 3.2 | 2.3 | 1.3 | |
SoundTech | M4-Wartech | $585.00 | 6.94 | 1.50 | 12.3 | 21.2 | 0.27 | 77 | 48 | 29.70 | 2005-05-28 | M4 | 14.5 | Win Q3131 M193 | N/A | 167.8 | 141.3 | 26.5 | 1.9 | 2.2 | 1.3 | 2209 meter |
SRT Arms | Hurricane | $545.00 | 6.25 | 1.50 | 11 | 22.5 | 0.29 | 55 | 49 | 30.35 | 2005-05-06 | M4 | 14.5 | Win Q3131 M193 | N/A | 168.3 | 141.6 | 26.7 | 4 | 2.4 | 1.2 | |
SoundTech | Fatboy | $585.00 | 6.13 | 2.00 | 19.3 | 30.5 | 0.26 | 55 | 49 | 30.35 | 2005-05-06 | M4 | 14.5 | Win Q3131 M193 | N/A | 168.3 | 141.9 | 26.4 | 7.6 | 1.4 | 0.9 | |
SWR | SpecWar2 | 7.88 | 1.50 | 13.9 | 27.3 | 0.00 | 77 | 48 | 29.70 | 2005-05-28 | M4 | 14.5 | Win Q3131 M193 | N/A | 167.8 | 142.0 | 25.8 | 3.6 | 1.9 | 0.9 | 2209 meter | |
KAC | M4QD | $1200.00 | 6.50 | 1.51 | 11.6 | 22.3 | 0.30 | 55 | 49 | 30.35 | 2005-05-06 | M4 | 14.5 | Win Q3131 M193 | N/A | 168.3 | 142.5 | 25.8 | -0.6 | 2.2 | 1.2 | |
AWC | Optima | 8.50 | 1.63 | 17.7 | 30.8 | 0.30 | 55 | 49 | 30.35 | 2005-05-06 | M4 | 14.5 | Win Q3131 M193 | N/A | 168.3 | 142.6 | 25.7 | 3.4 | 1.5 | 0.8 | Not in catalog. | |
Gemtech | M4-96C | 6.19 | 1.50 | 10.9 | 18.2 | 0.28 | 55 | 49 | 30.35 | 2005-05-06 | M4 | 14.5 | Win Q3131 M193 | N/A | 168.3 | 142.8 | 25.5 | 1.1 | 2.3 | 1.4 | Thread mount. | |
SWR | Wolverine | 5.76 | 1.50 | 10.2 | 20.0 | 0.30 | 55 | 49 | 30.35 | 2005-05-06 | M4 | 14.5 | Win Q3131 M193 | N/A | 168.3 | 142.8 | 25.5 | 2 | 2.5 | 1.3 | Thread mount. | |
SWR | Wolverine | 7.13 | 1.50 | 12.6 | 23.5 | 0.30 | 55 | 49 | 30.35 | 2005-05-06 | M4 | 14.5 | Win Q3131 M193 | N/A | 168.3 | 143.1 | 25.2 | 3.9 | 2.0 | 1.1 | AAC mount. | |
Gemtech | HALO | $675.00 | 7.81 | 1.50 | 13.8 | 25.1 | 0.29 | 55 | 49 | 30.35 | 2005-05-06 | M4 | 14.5 | Win Q3131 M193 | N/A | 168.3 | 143.7 | 24.6 | 3.7 | 1.8 | 1.0 | Mounts to standard flash-hider. |
AAC | SCARS-D | 5.88 | 1.50 | 10.4 | 19.5 | 0.28 | 55 | 49 | 30.35 | 2005-05-06 | M4 | 14.5 | Win Q3131 M193 | N/A | 168.3 | 147.6 | 20.7 | 1.2 | 2.0 | 1.1 | Prototype. | |
Tac-Inv | Tac16 | $374.99 | 6.63 | 1.63 | 13.8 | 23.7 | 0.30 | 55 | 49 | 30.35 | 2005-05-06 | M4 | 14.5 | Win Q3131 M193 | N/A | 168.3 | 147.6 | 20.7 | 3.6 | 1.5 | 0.9 | Disassembles. |
American Manufacturing | XXX Warrior | $429.00 | 8.25 | 1.62 | 17 | 27.2 | 0.39 | 55 | 49 | 30.35 | 2005-05-06 | M4 | 14.5 | Win Q3131 M193 | N/A | 168.3 | 148.4 | 18.9 | 1.4 | 1.1 | 0.7 | Overbored for 9mm. |
9mm MIL-STD-1474D | ||||||||||||||||||||||
Manufacturer | Model | Price | Length | Diameter | Cu. In. | Weight (oz) | Bore | Temp | Humidity | Pressure | Date | Weapon | Barrel Length | Ammunition | Velocity (fps) | Unsuppressed | Suppressed | Net | First Round | dB/ci | dB/oz | Details |
AAC | Evolution-9 | $695.00 | 7.75 | 1.25 | 9.5 | 9.4 | 0.40 | 84 | 67 | 0.00 | 2005-06-11 | P226R | 4.4 | UMC 147 | N/A | 160.3 | 126.7 | 33.6 | 6 | 3.5 | 3.6 | Tested in GA. |
AAC | Evolution-9 | $695.00 | 7.75 | 1.25 | 9.5 | 9.4 | 0.40 | 59 | 26 | 30.21 | 2005-05-13 | G17 | 4.9 | UMC 147 | N/A | 161.7 | 131.5 | 30.2 | 3.3 | 3.2 | 3.2 | 2209 meter, 4136 mic |
AAC | Evolution-9 | $695.00 | 7.75 | 1.25 | 9.5 | 9.4 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | UMC 147 | N/A | 161.5 | 131.9 | 29.6 | 5.6 | 3.1 | 3.2 | 2209 meter |
SWR | GS9-K2 | 7.88 | 1.25 | 9.7 | 8.7 | 0.40 | 84 | 67 | 0.00 | 2005-06-11 | Taurus | 4.9 | UMC 147 | N/A | 160.1 | 135.2 | 24.9 | 4.8 | 2.6 | 2.9 | Tested in GA. Had some grease in it. | |
SWR | GS9-K2 | 7.88 | 1.25 | 9.7 | 8.7 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | Special-K | N/A | 160.3 | 136.8 | 23.5 | 4.8 | 2.4 | 2.7 | 2209 meter | |
Gemtech | Trinity | $630.00 | 8.00 | 1.25 | 9.8 | 8.7 | 0.40 | 59 | 26 | 30.21 | 2005-05-13 | G17 | 4.9 | UMC 147 | N/A | 161.7 | 137.7 | 24.0 | 1.7 | 2.5 | 2.8 | 2209 meter, 4136 mic |
Gemtech | Trinity | $630.00 | 8.00 | 1.25 | 9.8 | 8.7 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | UMC 147 | N/A | 161.5 | 138.5 | 23.1 | 1.4 | 2.4 | 2.7 | 2209 meter |
SWR | GS9-K2 | 7.88 | 1.25 | 9.7 | 8.7 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | UMC 147 | N/A | 161.5 | 140.2 | 21.3 | 4.3 | 2.2 | 2.4 | 2209 meter | |
9mm SMG MIL-STD-1474 | ||||||||||||||||||||||
Manufacturer | Model | Price | Length | Diameter | Cu. In. | Weight (oz) | Bore | Temp | Humidity | Pressure | Date | Weapon | Barrel Length | Ammunition | Velocity (fps) | Unsuppressed | Suppressed | Net | First Round | dB/ci | dB/oz | Details |
AAC | Avenger | 11.44 | 1.38 | 17 | 13.2 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | UZI | 0.0 | UMC 147 | N/A | 0.0 | 125.1 | 0.0 | N/A | 0.0 | 0.0 | ||
Vector | 45 | $475.00 | 12.69 | 1.58 | 24.8 | 30.3 | 0.00 | 69 | 48 | 29.90 | 2005-11-01 | UZI | 0.0 | UMC 147 | N/A | 0.0 | 135.0 | 0.0 | N/A | 0.0 | 0.0 | This is a .45 ACP bore can. |
9mm SMG unweighted | ||||||||||||||||||||||
Manufacturer | Model | Price | Length | Diameter | Cu. In. | Weight (oz) | Bore | Temp | Humidity | Pressure | Date | Weapon | Barrel Length | Ammunition | Velocity (fps) | Unsuppressed | Suppressed | Net | First Round | dB/ci | dB/oz | Details |
AAC | Striker-2 | $650.00 | 7.75 | 1.25 | 9.5 | 7.2 | 0.41 | 55 | 49 | 30.35 | 2005-05-06 | MP5N | 8.8 | UMC 147 | N/A | 0.0 | 0.0 | 0.0 | N/A | 0.0 | 0.0 | Forgot to test. Will be included in followup. |
HK | Navy | 0.00 | 0.00 | 0 | 0.0 | 0.00 | 55 | 49 | 30.35 | 2005-05-06 | MP5N | 8.8 | UMC 147 | N/A | 0.0 | 0.0 | 0.0 | N/A | 0.0 | 0.0 | ||
KAC | SD | $975.00 | 11.75 | 1.36 | 17.1 | 21.4 | 0.40 | 55 | 49 | 30.35 | 2005-05-06 | MP5SD | 5.7 | IMI 115 | N/A | 0.0 | 123.6 | 0.0 | 4.7 | 0.0 | 0.0 | |
KAC | Navy | $975.00 | 7.75 | 1.37 | 11.4 | 14.8 | 0.41 | 55 | 49 | 30.35 | 2005-05-06 | MP5N | 8.8 | UMC 147 | N/A | 161.4 | 127.1 | 34.4 | 4.5 | 3.0 | 2.3 | 1/2-32 threads |
AWC | Mk9A | 11.25 | 1.99 | 35 | 26.6 | 0.45 | 55 | 49 | 30.35 | 2005-05-06 | MP5N | 8.8 | UMC 147 | N/A | 161.4 | 128.8 | 32.7 | 2.2 | 0.9 | 1.2 | Bixler/SCRC patented 3-lug mount. | |
HK | MP5SD | 11.88 | 1.58 | 23.3 | 18.1 | 0.39 | 55 | 49 | 30.35 | 2005-05-06 | MP5SD | 5.7 | IMI 115 | N/A | 0.0 | 129.8 | 0.0 | 0.5 | 0.0 | 0.0 | ||
SWR | QD3K | 8.63 | 1.38 | 12.9 | 9.0 | 0.43 | 55 | 49 | 30.35 | 2005-05-06 | MP5N | 8.8 | UMC 147 | N/A | 161.4 | 130.7 | 30.8 | 7.1 | 2.4 | 3.4 | Latka 3-lug mount | |
Gemtech | Raptor 9 | $635.00 | 9.00 | 1.38 | 13.5 | 9.9 | 0.43 | 55 | 49 | 30.35 | 2005-05-06 | MP5N | 8.8 | UMC 147 | N/A | 161.4 | 131.9 | 29.6 | -0.3 | 2.2 | 3.0 | Latka 3-lug mount |
AWC | Tac-9 | 9.56 | 1.38 | 14.3 | 24.4 | 0.39 | 55 | 49 | 30.35 | 2005-05-06 | MP5N | 8.8 | UMC 147 | N/A | 161.4 | 141.6 | 19.8 | 2.4 | 1.4 | 0.8 | Bixler/SCRC patented 3-lug mount. | |
TROS | Nemesis-9 | $595.00 | 9.25 | 1.38 | 13.8 | 10.6 | 0.42 | 55 | 49 | 30.35 | 2005-05-06 | MP5N | 8.8 | UMC 147 | N/A | 161.4 | 145.7 | 15.7 | 1 | 1.1 | 1.5 | Latka 3-lug mount |
9mm unweighted | ||||||||||||||||||||||
Manufacturer | Model | Price | Length | Diameter | Cu. In. | Weight (oz) | Bore | Temp | Humidity | Pressure | Date | Weapon | Barrel Length | Ammunition | Velocity (fps) | Unsuppressed | Suppressed | Net | First Round | dB/ci | dB/oz | Details |
AAC | Evolution-9 | $695.00 | 7.75 | 1.25 | 9.5 | 9.4 | 0.40 | 59 | 26 | 30.21 | 2005-05-13 | G17 | 4.9 | UMC 147 | N/A | 162.9 | 131.1 | 31.8 | 2.6 | 3.3 | 3.4 | 2209 meter, 4136 mic, Linear. |
SWR | Omega-9 | 8.13 | 1.38 | 12.2 | 8.8 | 0.43 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.3 | 131.5 | 31.8 | 7.3 | 2.6 | 3.6 | Did not cycle G17 well. | |
AAC | Evolution-9 | $695.00 | 7.75 | 1.25 | 9.5 | 9.4 | 0.40 | 55 | 49 | 30.35 | 2005-05-06 | USP9 SD | 4.7 | UMC 147 | N/A | 163.5 | 131.7 | 31.8 | 4.1 | 3.3 | 3.4 | Dry |
AAC | Evolution-9 | $695.00 | 7.75 | 1.25 | 9.5 | 9.4 | 0.40 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.3 | 132.4 | 31.0 | 1 | 3.3 | 3.3 | Dry |
B&T | SD USP9 | 7.88 | 1.38 | 11.8 | 15.0 | 0.43 | 55 | 49 | 30.35 | 2005-05-06 | USP9 SD | 4.7 | UMC 147 | N/A | 163.5 | 133.2 | 30.2 | 6.7 | 2.6 | 2.0 | ||
CCF | Impuls-IIa | $750.00 | 7.75 | 1.38 | 11.6 | 15.1 | 0.43 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.5 | 133.6 | 29.9 | 8.4 | 2.6 | 2.0 | |
AAC | Evolution-9 | $695.00 | 7.75 | 1.25 | 9.5 | 9.4 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | UMC 147 | N/A | 162.7 | 137.2 | 25.5 | 4.3 | 2.7 | 2.7 | 2209 meter |
AWC | HP9 | 5.36 | 1.44 | 8.7 | 6.9 | 0.51 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.3 | 139.0 | 24.4 | -0.7 | 2.8 | 3.5 | Uses wipes, no Nielsen, jammed G17. | |
SWR | GS9-K2 | 7.88 | 1.25 | 9.7 | 8.7 | 0.40 | 84 | 67 | 0.00 | 2005-06-11 | Taurus | 4.9 | UMC 147 | N/A | 160.7 | 140.5 | 20.3 | 3.5 | 2.1 | 2.3 | 2209 meter, tested in GA. Had some grease. | |
SWR | GS9-K2 | 7.88 | 1.25 | 9.7 | 8.7 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | Special-K | N/A | 161.4 | 140.9 | 20.5 | 4.5 | 2.1 | 2.4 | 2209 meter | |
Gemtech | Trinity | $630.00 | 8.00 | 1.25 | 9.8 | 8.7 | 0.40 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.3 | 141.8 | 21.6 | 3.1 | 2.2 | 2.5 | Dry |
Gemtech | Trinity | $630.00 | 8.00 | 1.25 | 9.8 | 8.7 | 0.40 | 59 | 26 | 30.21 | 2005-05-13 | G17 | 4.9 | UMC 147 | N/A | 162.9 | 142.1 | 20.8 | 0.9 | 2.1 | 2.4 | 2209 meter, 4136 mic, Linear. |
Gemtech | Vortex-9 | 7.31 | 1.26 | 9.1 | 6.2 | 0.41 | 55 | 49 | 30.35 | 2005-05-06 | MP5N | 8.8 | UMC 147 | N/A | 163.3 | 142.3 | 21.0 | N/A | 2.3 | 3.4 | One Shot Only as it has no LID. | |
Gemtech | Trinity | $630.00 | 8.00 | 1.25 | 9.8 | 8.7 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | UMC 147 | N/A | 162.7 | 143.3 | 19.4 | 0.2 | 2.0 | 2.2 | 2209 meter |
SWR | GS9-K2 | 7.88 | 1.25 | 9.7 | 8.7 | 0.40 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.3 | 143.4 | 20.0 | 5.3 | 2.1 | 2.3 | Excessive grease in Nielsen | |
CCF | Carbon Impuls-Iia | $875.00 | 7.88 | 1.45 | 13 | 12.3 | 0.49 | 55 | 49 | 30.35 | 2005-05-06 | USP9 SD | 4.7 | UMC 147 | N/A | 163.5 | 143.9 | 19.5 | 3.6 | 1.5 | 1.6 | 9/40/45 model with 9mm baffles. |
SWR | GS9-K2 | 7.88 | 1.25 | 9.7 | 8.7 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | UMC 147 | N/A | 162.7 | 145.5 | 17.2 | 2.8 | 1.8 | 2.0 | 2209 meter | |
AWC | Jupiter Eye | 7.90 | 1.35 | 11.3 | 14.7 | 0.39 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.3 | 146.2 | 17.1 | 2.1 | 1.5 | 1.2 | Did not cycle G17. Only two shots for this test. | |
AWC | Tac-9 | 9.19 | 1.38 | 13.7 | 24.0 | 0.39 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.3 | 148.9 | 14.4 | 0.5 | 1.0 | 0.6 | Did not cycle G17 (not supposed to). Two shots only in test. | |
Gemtech | SOS-9 | 5.08 | 1.25 | 6.2 | 4.2 | 0.39 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.3 | 149.0 | 14.3 | 0.2 | 2.3 | 3.4 | ||
9mm Wet MIL-STD-1474 | ||||||||||||||||||||||
Manufacturer | Model | Price | Length | Diameter | Cu. In. | Weight (oz) | Bore | Temp | Humidity | Pressure | Date | Weapon | Barrel Length | Ammunition | Velocity (fps) | Unsuppressed | Suppressed | Net | First Round | dB/ci | dB/oz | Details |
SoundTech | 9mm | 0.00 | 0.00 | 0 | 0.0 | 0.00 | 84 | 67 | 0.00 | 2005-06-11 | Taurus | 4.9 | UMC 147 | N/A | 160.1 | 121.6 | 38.5 | -1.2 | 0.0 | 0.0 | Tested in GA, ultrasound Gel. | |
AAC | Evolution-9 | $695.00 | 7.75 | 1.25 | 9.5 | 9.4 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | UMC 147 | N/A | 161.5 | 123.1 | 38.5 | -3.2 | 4.0 | 4.1 | 2209 meter |
Gemtech | Trinity | $630.00 | 8.00 | 1.25 | 9.8 | 8.7 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | UMC 147 | N/A | 161.5 | 124.2 | 37.3 | -1.8 | 3.8 | 4.3 | 2209 meter |
SWR | GS9-K2 | 7.88 | 1.25 | 9.7 | 8.7 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | UMC 147 | N/A | 161.5 | 129.1 | 32.5 | 3.2 | 3.4 | 3.7 | 2209 meter | |
SWR | GS9-K2 | 7.88 | 1.25 | 9.7 | 8.7 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | Special-K | N/A | 160.3 | 129.8 | 30.5 | -1.8 | 3.2 | 3.5 | 2209 meter | |
9mm Wet unweighted | ||||||||||||||||||||||
Manufacturer | Model | Price | Length | Diameter | Cu. In. | Weight (oz) | Bore | Temp | Humidity | Pressure | Date | Weapon | Barrel Length | Ammunition | Velocity (fps) | Unsuppressed | Suppressed | Net | First Round | dB/ci | dB/oz | Details |
AAC | Evolution-9 | $695.00 | 7.75 | 1.25 | 9.5 | 9.4 | 0.40 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.3 | 122.0 | 41.7 | -1.3 | 4.4 | 4.4 | Wet, 5cc |
CCF | Impuls-IIa | $750.00 | 7.75 | 1.38 | 11.6 | 15.1 | 0.43 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.5 | 123.5 | 40.2 | -0.1 | 3.5 | 2.7 | Wet, 5cc |
B&T | SD USP9 | 7.88 | 1.38 | 11.8 | 15.0 | 0.43 | 55 | 49 | 30.35 | 2005-05-06 | USP9 SD | 4.7 | UMC 147 | N/A | 163.5 | 123.6 | 40.1 | -2.8 | 3.4 | 2.7 | Wet, 5cc | |
AAC | Evolution-9 | $695.00 | 7.75 | 1.25 | 9.5 | 9.4 | 0.40 | 55 | 49 | 30.35 | 2005-05-06 | USP9 SD | 4.7 | UMC 147 | N/A | 163.5 | 123.9 | 39.9 | 2.3 | 4.2 | 4.2 | Wet, 5cc |
AAC | Evolution-9 | $695.00 | 7.75 | 1.25 | 9.5 | 9.4 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | UMC 147 | N/A | 162.7 | 124.8 | 37.9 | -0.3 | 4.0 | 4.0 | 2209 meter |
CCF | Carbon Impuls-Iia | $875.00 | 7.88 | 1.45 | 13 | 12.3 | 0.49 | 55 | 49 | 30.35 | 2005-05-06 | USP9 SD | 4.7 | UMC 147 | N/A | 163.5 | 126.9 | 36.6 | 2.5 | 2.8 | 3.0 | Wet, 5cc, 9/40/45 model with 9mm baffles. |
Gemtech | Trinity | $630.00 | 8.00 | 1.25 | 9.8 | 8.7 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | UMC 147 | N/A | 162.7 | 129.2 | 33.5 | 3.3 | 3.4 | 3.9 | 2209 meter |
Gemtech | Trinity | $630.00 | 8.00 | 1.25 | 9.8 | 8.7 | 0.40 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.3 | 131.7 | 31.6 | -7.2 | 3.2 | 3.6 | Wet, 5cc |
SWR | GS9-K2 | 7.88 | 1.25 | 9.7 | 8.7 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | Special-K | N/A | 161.4 | 133.2 | 28.1 | -5.7 | 2.9 | 3.2 | 2209 meter | |
SWR | GS9-K2 | 7.88 | 1.25 | 9.7 | 8.7 | 0.40 | 77 | 48 | 29.70 | 2005-05-28 | G17 | 4.9 | UMC 147 | N/A | 162.7 | 133.3 | 29.4 | -1.7 | 3.0 | 3.4 | 2209 meter | |
AWC | Abraxas | 5.72 | 1.00 | 4.5 | 6.3 | 0.39 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.3 | 135.4 | 27.9 | 2.5 | 6.2 | 4.4 | Wet, 5cc, did not cycle G17 reliably. 3 shots only in test. | |
SWR | GS9-K2 | 7.88 | 1.25 | 9.7 | 8.7 | 0.40 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.3 | 136.1 | 27.2 | -12.3 | 2.8 | 3.1 | Wet, 5cc | |
Gemtech | SOS-9 | 5.08 | 1.25 | 6.2 | 4.2 | 0.39 | 55 | 49 | 30.35 | 2005-05-06 | G17 | 4.9 | UMC 147 | N/A | 163.3 | 138.3 | 25.0 | -3.4 | 4.0 | 6.0 | Wet, 5cc, only 3 shots. No LID. | |
Disclaimer:
While this data is captured in good faith and without bias under controlled circumstances, it is not always comparable to other environments or test equipment. An effort was made to have the data be reproducible and correlate with what a human observer would agree with, but your results may vary. This data must be interpreted with knowledge of how environmental factors such as temperature, humidity, and location effect the results. We do try to compare related products in the same session to make this data as comparable as possible. Please ask the manufacture for their specific test protocol. Do they use 10 or more shot averages or just take the best shot of the day? Ask them.
Individual suppressors may vary depending on age, condition, manufacturing tolerances, and cleanliness. Finally, there is more to a silencer that sound levels. Durability, weight, accuracy, length, attachment method, customer support, etc. all matter so please don't make a decision based on these numbers alone.