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troberge
02-06-2014, 9:19 AM
I am building a 9" 7.62 Pistol and am having trouble finding a compensator/brake that is threaded 1/2-28 RH. AK Builder has a great looking one but in the wrong thread. Looking for some suggestions here similar to the Guntek Phantom Flash. I am not looking for anything that looks like a huge black fake suppressor or hotdog, but something very small and not costing $80-$100 bucks. The actual kit can be seen on the AK Builder web site for their 7.62 Pistol.

chiliman21
02-06-2014, 9:40 AM
What barrel are you using that has that thread for 7.62? For my pistol build in 300blkout I only see 5/8 X24 threads. It is for an ak build?

kcstott
02-06-2014, 10:35 AM
look at AR muzzle brakes. they are 1/2 28

valley82
02-06-2014, 11:10 AM
A friend of mine built a AK pistol from AKbuilder with the 1/2 x 28 threads on the barrel, we took a standard 5.56 break and drilled out the end of it to ?7.86mm? cant remember the size P or Q bit I think... to work on his.

ar15barrels
02-06-2014, 2:03 PM
I am building a 9" 7.62 Pistol and am having trouble finding a compensator/brake that is threaded 1/2-28 RH. AK Builder has a great looking one but in the wrong thread. Looking for some suggestions here similar to the Guntek Phantom Flash. I am not looking for anything that looks like a huge black fake suppressor or hotdog, but something very small and not costing $80-$100 bucks. The actual kit can be seen on the AK Builder web site for their 7.62 Pistol.


A $10 A2 comp has 1/2-28 threads and will clear 30 caliber bullets just fine.
You just need to cut a notch in it for the retainer if you are going to index it AK style.
Otherwise, index with washers/shims.

kcstott
02-06-2014, 2:42 PM
A friend of mine built a AK pistol from AKbuilder with the 1/2 x 28 threads on the barrel, we took a standard 5.56 break and drilled out the end of it to ?7.86mm? cant remember the size P or Q bit I think... to work on his.

thats what I did. I copied 858caspers build as best I could and I'm not ashamed to say it.

Grumpyoldretiredcop
02-06-2014, 4:26 PM
How about this one from CNCWarrior (http://www.cncwarrior.com/ProductDetails.asp?ProductCode=22766) for nine bucks? They have others as well.

troberge
02-06-2014, 8:09 PM
thats what I did. I copied 858caspers build as best I could and I'm not ashamed to say it.

Think I'll look into the AR brake and make sure I mic it out so my first round doesn't send it down range! I'll have to use washers/shims as mine has not detent thingie.

Great feedback all, I truly appreciate it.

kcstott
02-06-2014, 8:32 PM
get a crush washer and be done.

ar15barrels
02-06-2014, 8:41 PM
Think I'll look into the AR brake and make sure I mic it out so my first round doesn't send it down range!

A typical A2 comp has a 10mm hole through the middle of it.

troberge
02-07-2014, 8:45 PM
Thanks all for your excellent input......as usual. Love these forums for getting questions answered. Cheers!

saki302
02-09-2014, 12:29 AM
I think the Phantom flash hiders work as well, like the A2. I used to run a FAL barrel which was threaded 1/2-28.

The vortex FH also works but you have to enlarge the hole (around .325 works if I remember right). Same technique would work for most muzzle brakes too if you want a fiery noisemaker :D

-Dave