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AR15.COM
AK Sponsor
3/30/2009 5:13:38 PM EDT
Greetings,

I'm a newbie here but I've been reading the posts for quite some time for valuable input.

I just recently threaded the barrel of my SAR-1, bought back in 2001, yes I'm slow. I got my threading kit from Precise Innovations, as well as, an AK-74 style brake for 7.62.

I followed the instructions and my barrel is now threaded. The brake fits well & has no wobble.

My question is this;

When I tighten down the brake all the way to the FSB the notch in the brake doesn't align with the retaining pin. If I back off a little bit the notch aligns but there's a tiny amount of space between the back of the brake and the FSB.

Is this okay? Or have I messed up?

I saw something on the web about indexing the barrel to make the brake align with the pin when fully tightened. Did I mess up?

Any feedback would be appreciated.

jfl3
3/30/2009 5:30:06 PM EDT
[#1]
My three Arsenals are exactly as you describe.
3/30/2009 5:44:43 PM EDT
[#2]
I think most AK's have a bit of slop there. It would probably take a fully CNC controlled lathe to start the thread at EXACTLY the right spot, and the threads on the muzzle device would have to be cut just as precisely.



3/30/2009 5:56:01 PM EDT
[#3]
Wow, you folks are pretty fast at responses.

So, it's safe for me to assume that a small amount of space between FSB and brake is okay.

I just didn't want to cause a problem at a range with my barrel blowing up or my brake flying off.

I know the AK pattern is user friendly but I just wasn't sure how friendly.

Thanks for the input, Gentlemen & if any others have some insight please put in your input.

jfl3
3/31/2009 3:34:51 PM EDT
[#4]
Quoted:
Wow, you folks are pretty fast at responses.

So, it's safe for me to assume that a small amount of space between FSB and brake is okay.

I just didn't want to cause a problem at a range with my barrel blowing up or my brake flying off.

I know the AK pattern is user friendly but I just wasn't sure how friendly.

Thanks for the input, Gentlemen & if any others have some insight please put in your input.

jfl3


This is the norm. Go shoot your rifle.
AK Sponsor