SilencerTalk

A 308 win 155 grain bullet at 2950 fps and a 1-10 twist is spinning 17700 rpm. A 300 blk 125 grain bullet at 2200 fps with a 1-8 twist is spinning 16500 rpm. The only bullet fragmenting problem I've ever heard of other than sabot loads is 55 fmj 5.56 in the 1-7 twist barrels. If you are shooting onl...

Make sure you install a coolant system on it. I waited ten years to install one on my Grizzly G9729 and sure wish I'd installed it years ago. Yours seems to be much better than the one I bought. I'm working on project 20 or so. My fourth project was for a 510 whisper, SSK wanted $2500 for the can, I...

poikilotrm wrote:John, if you see a cop behind you, pulling you over, do you feel calm and secure? Or does your anxiety spike? Is it because of that individual cop, or because of the day to day behavior of his tribe?

I've never had a reason to feel unsecure when being pulled over.

Randy

A typical video distorts the sound so much that the noise reduction just does not sound so impressive. One needs to be there to appreciate how well they work. I shot my 338 ultra mag with a form 1 can against a 338 lapua with a Thunderbeast can; mine was nearly as good at noise reduction. My $80 can...

I've found that subsonic 180 grain RN is the heaviest for 1-12, 220 RN for 1-10. 1-8 is good for subsonic 240 boat tails.

Randy

Nothing to report now. Was working on a new 223 can, just finished. Have to finish a 50bmg can and do other stuff before I start buying parts for a dedicated 223 subsonic AR.

What gas block did you use?

Ranb

Just the tube, end caps and blast chamber spacer so far. No progress for a long time. I'm very frustrated coming up with a good baffle design that is the right compromise between light weight and strength. In the meantime I'm helping a friend make some silencers on my lathe and working on my SBR col...

If he was a Florida born redneck or cowboy, then I'd buy it, otherwise he is stretching way too much.

Ranb

I just use distilled water with the green solution added. There is a link in the original post to the solution I bought. I think the solution is just a rust inhibitor as I've had no corrosion problems at all since I started to use it. I drilled a small hole in the base of the lathe to allow coolant ...

I have an extra 11.5" barrel that doesn't have the right twist rate ( I think it is 1-12) for use with 62 grain ammo in my SBR at supersonic velocities, so I replaced it with a 1-7 twist. This leaves me with a barrel to play with. My SBR SSK 300 whisper barrel gas port is about 2.75" downstream of t...

A further conversation with my friend reveals that he might have checked the prototype box which would require plans.

Ranb

Snook is my examiner so I assume that she is for anyone else in my geographical region. I'll pass this info on to my friend. Thanks.

Ranb

A guy I know has e-filed some ATF form 1's recently. He got a call from the NFA branch saying they want schematics/drawings/specifications for the form 1 suppressors. He is currently waiting on a call back for more details. My last silencer form 1 was approved back in May 2014 with just the usual ca...

One of the reason for the long delayed build time for my 50 bmg can is the lack of a Coolant system for the lathe. I finally got one put together. It uses an articulated tube/nozzle with a magnetic base ($10) from http://www.littlemachineshop.com, a small metal tray to collect the water based lube a...

I was cleaning the garage and came across some sample planchets. They are stainless steel cups (2ml capacity) about 1 inch wide, .25 inches deep and about .010" thick. You can see some here; http://www.drct.com/dss/accessories/planchets.html I cut a small die set out of scrap aluminum to see if I co...

http://legaldayton.com/nfa-gun-trust-rule-41p-update/2014 We are please to announce as in this NFA gun trust rule 41P update that the ATF has just issued a new statement indicating that there will be NO ACTION on the rule in 2014. However there is a new draft of a form to be used if the rules change...

It kills me that anyone would say it is only a few bucks to create a trust. I see prices of 100-900 online; I was quoted $2500 by one lawyer who was not familiar with NFA trusts/law. I was told to seek out a well known group from this forum who wanted the top price on their list to amend my revocabl...

I get lots of e-mail from the WAGR (they sponsored the initiative effort) telling me about the big money involved in opposing their efforts; they never mention the millions given to them by others or the fact that I-594 is a registration scheme and makes simply allowing a person to hold your gun a c...

I square off the tube ends, then make the rear end cap as square as possible. The hole is drilled then cut with a tool bit to ensure it is centered and the right diameter prior to cutting threads in it. I ran a 13/16-20 tap through the end cap then welded it to the tube. The baffle stack and end cap...

Yes, about 8k on aluminum guts. Keep in mind the blast baffle is 4130 steel and it rarely got heated enough to damage the cheap Krylon paint I put on it. I'm sure the blast baffle would be mostly gone by now if it was also made from aluminum. I used to use a wire feed welder, but now I use TiG. I tr...

The baffles are all about .070" thick. The blast baffle is a 4130 cone, the rest are aluminum K's. The tube and end caps are 4130. The 1.5" tube started out with .065" walls but I turned them down to about .045", it is 7.5" long. None of the baffles actually collapsed, the silencer still works. I wa...

Thanks. I forgot about that site; I'm registered for a while now there too.

Ranb

A few Senators in WA State spent 8 years trying to pass an AWB that would strip fourth amendment rights of WA gun owners. Even the liberal Seattle Times thought it was way overboard.

Ranb

Going to say no to yawing bullets, they were fine without the can. The SBR shoots fine suppressed since the repair. I think the gas cut baffles are slowing deforming and touching the bullets as they pass through.

Ranb

I made a 9 mm can that is only 6.4 ounces. In order for my Browning HP to function correctly with 147 grain subsonic I had to use a hot load (1060 fps) and cut down the already very light weight spring (8 pounds) almost an inch. This left the spring with barely enough tension to chamber a round. I h...