7.62X39mm, 1:9.5 twist, 16.33" long, 4140 steel, 1.35 lbs., AK47 1970 Barrel . button rifled, air gauged, stress relieved, chrome line bore and chamber, phosphate finish, LH threaded muzzle, no gas port hole, - will fit most American AK47 1970 version receivers and similar clones. ..."Because there is a wide variety of dimensions on kit parts some FITTING MAY BE REQUIRED. There are cross slots for retaining pin installation that will need to be drilled once the kit parts are installed on the barrel. The head space should be set by a knowledgeable builder, using proper head space gauges and techniques."
Under "See 1 more picture" there is a detailed drawing of this barrel.
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Posted by Richard on 14th Oct 2020
The quality is outstanding and working with GM is a pleasure. Completed and shipped my barrels quickly and kept my project on track.
Posted by Unknown on 7th Sep 2020
Every journal dimension was a perfect fit on my M70AB2 underfolder build, and the quality has been fantastic. I haven't yet tested accuracy, but based on the AR barrels I have used from them in the past, I can only expect good things. For the price point, green mountain is now my favorite barrel manufacturer for sure.
Posted by Matt on 26th Aug 2020
Just ordered 4 for some builds. Fast shipping and packed very securely. Well made and flawless, can't wait to get them together to try out. Don't foresee any problems with these things. High Quality!
Posted by Alan Brown on 14th Jul 2020
I bought two of these barrels & installed them on the M70AB2 & M70B1 rifles. They are really well made & the journals on my kits were tight on the front trunnion & just fine on the rest of the barrel. The builds turned out great & now I have C/L barrels on Yugo rifles.
Posted by Unknown on 28th Mar 2017
I purchased two of these and had to send them back. The front sight journal is turned down too much, I tried seven different front sights and they all could be slid on and off by hand very loose. If you have a front sight marked with a "0" it might fit.
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