Search found 455 matches

by mr fixit
Tue Jan 12, 2021 11:08 pm
Forum: Silencersmithing Forum
Topic: New to silencers looking to build a 300BO
Replies: 2
Views: 160

Re: New to silencers looking to build a 300BO

Im a little confused on your lengths you mentioned. First of all what length are you approved for on your form?
by mr fixit
Tue Dec 15, 2020 10:10 pm
Forum: Silencersmithing Forum
Topic: Centerfire bolt action, Integrally suppressed?
Replies: 13
Views: 831

Re: Centerfire bolt action, Integrally suppressed?

Here is an example, one I just finished for a shop demo. It's a Mossberg Patriot 7mm-08, 18" ported barrel, 10.5" core for a 28" effective barrel length. The actually suppressor length is 25.5", and the whole thing weighs 8-1/4 pounds. Firing normal Winchester 140 gr. factory loads, the sound is ab...
by mr fixit
Tue Dec 08, 2020 12:22 pm
Forum: Silencersmithing Forum
Topic: Centerfire bolt action, Integrally suppressed?
Replies: 13
Views: 831

Re: Centerfire bolt action, Integrally suppressed?

My complete thought on it was to have a 16" barrel and add a can on the end, trying not to make it so long as to be unwieldy. IF doing an integral, I could see having an overall length of 22" or even 24". Finished overall length is a big matter either way. There is always the advantage of being able...
by mr fixit
Tue Dec 08, 2020 1:00 am
Forum: Silencersmithing Forum
Topic: Centerfire bolt action, Integrally suppressed?
Replies: 13
Views: 831

Re: Centerfire bolt action, Integrally suppressed?

308. Was already planning on cutting barrel to 16" so i could add suppressor
by mr fixit
Mon Dec 07, 2020 11:32 pm
Forum: Silencersmithing Forum
Topic: Centerfire bolt action, Integrally suppressed?
Replies: 13
Views: 831

Centerfire bolt action, Integrally suppressed?

Just curious for information and knowledge mostly, but what are the pros and cons of integral bolt action centerfires? specifically around the .308 type cartridges'. I'm assuming that is a whole 'nuther animal from a screw on can.
by mr fixit
Sat Jul 25, 2020 8:33 pm
Forum: Silencersmithing Forum
Topic: .22 rimfire, integral vs add-a-can
Replies: 14
Views: 1672

Re: .22 rimfire, integral vs add-a-can

I'm kind of disappointed with my intergral 10/22. Yeah its quiet, accuracy isn't very good, it was freaking expensive and now I know I would have a better 10/22 if I went with a 16 inch barrel and decent screw on silencer. Interesting, I would love to know more about it. was it a form 1 build, if s...
by mr fixit
Thu Jul 23, 2020 10:25 am
Forum: Silencersmithing Forum
Topic: .22 rimfire, integral vs add-a-can
Replies: 14
Views: 1672

Re: .22 rimfire, integral vs add-a-can

I really like the 10/22 just from the standpoint of the easy to swap barrels. The magazines for the 10/22 are a big plus too. Honestly I wish I had one of the straight pull actions using the 10/22.
by mr fixit
Mon Jul 20, 2020 2:47 pm
Forum: Silencersmithing Forum
Topic: .22 rimfire, integral vs add-a-can
Replies: 14
Views: 1672

.22 rimfire, integral vs add-a-can

One of my upcoming stamps is going to be for a .22. I had always sorta planned to do an integral on a 10/22. I've already got the rifle and currently have a .920 barrel I was going to use to make the integral based very closely on this integral by CMV http://www.silencertalk.com/forum/viewtopic.php?...
by mr fixit
Wed Jun 24, 2020 9:54 pm
Forum: Silencersmithing Forum
Topic: Welding endcaps
Replies: 9
Views: 1003

Re: Welding endcaps

the problem is the amount of heat required to melt the rod with a stick welder puts so much heat into the part. large thick parts are ok with it, thin small parts warp. TIG allows pinpoint arc placement and a much smaller and controlled heat affected zone.
by mr fixit
Tue Jun 23, 2020 3:05 pm
Forum: Silencersmithing Forum
Topic: end cap strike, 9mm threaded can
Replies: 9
Views: 874

Re: end cap strike, 9mm threaded can

You'd know that indicating it in 4-jaw. Gets down to almost no runout, move dial indicator back on piece a few inches and now there's runout. If no matter what there's runout when measuring a few inches apart your stock is out of round. If you have the needle type dial indicator vs the plunger type...
by mr fixit
Tue Jun 23, 2020 2:36 pm
Forum: Silencersmithing Forum
Topic: end cap strike, 9mm threaded can
Replies: 9
Views: 874

Re: end cap strike, 9mm threaded can

How do I check the tube to see if it is 'right'. If i had to bet that's where I would wager the concentricity is off, I had to thread it in the 4 jaw with a steady rest.
by mr fixit
Tue Jun 23, 2020 12:34 pm
Forum: Silencersmithing Forum
Topic: end cap strike, 9mm threaded can
Replies: 9
Views: 874

Re: end cap strike, 9mm threaded can

I did wonder if shooting through an empty tube would have any effect on the bullet. Since the bullet never outruns the gas in the singe chamber a tube with no baffles creates, would it push the bullet at all?
by mr fixit
Mon Jun 22, 2020 10:47 pm
Forum: Silencersmithing Forum
Topic: end cap strike, 9mm threaded can
Replies: 9
Views: 874

Re: end cap strike, 9mm threaded can

The endcap had no damage. just a brass kiss I found after the bullets were hitting a foot low at 25 yds. I opened the endcap bore to .422 and now all is good
by mr fixit
Mon Jun 22, 2020 10:45 pm
Forum: Silencersmithing Forum
Topic: end cap strike, 9mm threaded can
Replies: 9
Views: 874

Re: end cap strike, 9mm threaded can

an 11/32" aircraft extension drill will give you a close approximation w/o buying drill rod. You did all these with your 4 jaw chuck and indicated the work every time? Also, did you torque the bejeezus out of both caps? I would say you threaded an end with too much runout, have an [both?] endcap sh...
by mr fixit
Wed Jun 10, 2020 11:06 pm
Forum: Silencersmithing Forum
Topic: end cap strike, 9mm threaded can
Replies: 9
Views: 874

end cap strike, 9mm threaded can

As I posted previously, I'm working on a 9mm can for a Glock AR SBR. I have a Griffen style taper mount I made from 17-4 for the brake mount. I made the endcaps and threaded the tube myself. This afternoon I finished the distal end cap. I threaded it all together and put it on the AR just to shoot i...
by mr fixit
Tue Jun 09, 2020 10:01 am
Forum: Silencersmithing Forum
Topic: Order of operations for End cap help? *EDIT now finished with pics*
Replies: 10
Views: 1072

Re: Order of operations for End cap help?

Thanks to all for the help and suggestions, I got it done. As is not uncommon, I ended up doing it differently than was suggested here. https://i.imgur.com/ih4xXo5.jpg?2 https://i.imgur.com/dsZEP4A.jpg https://i.imgur.com/3EdugG5.jpg I ended up turning and threading the exterior threads first so I c...
by mr fixit
Thu May 14, 2020 7:43 pm
Forum: Silencersmithing Forum
Topic: Order of operations for End cap help? *EDIT now finished with pics*
Replies: 10
Views: 1072

Re: Order of operations for End cap help?

I'm making everything. But I don't have thread wires Do have a machinist handbook? Check what wire goes to the thread pitch and go to a music shop and buy piano wire in that size. Honestly, you should have a set of wires. They're dirt cheap and very useful. I'd make the tube first, threading both e...
by mr fixit
Thu May 14, 2020 6:32 pm
Forum: Silencersmithing Forum
Topic: Order of operations for End cap help? *EDIT now finished with pics*
Replies: 10
Views: 1072

Re: Order of operations for End cap help?

Are you making the tube or buying? If making, I'd do it like this: (making end cap mount first) Part will be made as if chuck was tube (you'll be able to stick QD device into part properly) Profile and thread OD (using wires to confirm thread sizing) Bore interior to female thread Dmin Cut taper (a...
by mr fixit
Thu May 14, 2020 5:27 pm
Forum: Silencersmithing Forum
Topic: Order of operations for End cap help? *EDIT now finished with pics*
Replies: 10
Views: 1072

Re: Order of operations for End cap help?

Basically i need to make this and keep it concentric:

Image
by mr fixit
Thu May 14, 2020 5:22 pm
Forum: Silencersmithing Forum
Topic: Order of operations for End cap help? *EDIT now finished with pics*
Replies: 10
Views: 1072

Order of operations for End cap help? *EDIT now finished with pics*

I will be making a threaded end cap, with a taper for attachment. I have a Griffen style taper muzzle brake, I need to make the near end cap with a internal threads and internal taper for the brake, and external threads for the tube. I'm thinking profile the threads for the tube, and bore the intern...
by mr fixit
Tue Mar 24, 2020 10:24 pm
Forum: Silencersmithing Forum
Topic: Help threading barrel
Replies: 23
Views: 2233

Re: Help threading barrel

Yes and no. If the bore is straight, it'll be fine. Lots of bores arent perfectly straight. Ive done it on a very short barrel. It works but isnt a best practice. n't do it if the plan is for running suppressed. snip Gives you an idea how they are made. Like Ecco said, protect the barrel from the s...
by mr fixit
Mon Mar 02, 2020 6:32 pm
Forum: Silencersmithing Forum
Topic: Would like help making K baffles
Replies: 7
Views: 3304

Re: Would like help making K baffles

ECCO Machine wrote:
Sun Mar 01, 2020 12:39 pm
Yup
Thank you sir. With that configuration, have you found blast chamber to be an issue with first round pop? I'm assuming putting the face of the blast baffle about 1/4-3/8" off the muzzle.
by mr fixit
Sat Feb 29, 2020 8:33 pm
Forum: Silencersmithing Forum
Topic: Would like help making K baffles
Replies: 7
Views: 3304

Re: Would like help making K baffles

I played with quite a few K baffle designs in pistol cans. Ultimately, tightly spaced double radius clipped 60° cones outperformed all the K baffle designs. I was actually happy about that, because even though Ks are more material efficient, I can make cones in about 1/3 the time, including the ind...
by mr fixit
Fri Feb 28, 2020 10:58 pm
Forum: Silencersmithing Forum
Topic: Would like help making K baffles
Replies: 7
Views: 3304

Would like help making K baffles

I'm really torn ..... I have a stamp for a 9mm can that will live on my Glock lower AR SBR. I keep going back and forth between 60* cones and stuffing as many as I can in a tube, and making K's. My plan is either 1.625" or 1.5" OD. Im not trying for as short as possible, but rather just long enough ...
by mr fixit
Sat Jan 18, 2020 6:21 pm
Forum: News Stories
Topic: ITAR regs, moving from Trade to Commerce department
Replies: 1
Views: 2337

ITAR regs, moving from Trade to Commerce department

I just saw a blurb about registration for the firearms industry being moved from under the Trade department to the Commerce department. From what I read, there will no longer be a requirement for manufacturers to register and pay ITAR fees. Just wondering if that includes suppressor manufacturers.