16" Polish KBK Milled 7.62x39 Chrome lined Barrel 26mm x 1.5 RH trunnion threads
Polish KBK Chrome Lined Barrel 16.330" reference length. Trunnion threads are 26mm-1.5 right hand with a 14-1lh threaded muzzle.
The Russians marked the original barrels 1-5 depending on the headspace. This distance was measured from the back of the headspace gage to the barrel shoulder that seats against the trunnion. All of our barrels have been turned as #1's which is the shortest allowable distance. This will give the builder plenty of room should they need to adjust the depth by facing off material from the shoulder to thread deeper into the trunnion. The barrels DO NOT have the handguard retainer cuts nor the extractor clearance cuts. These will need to be done after setting the headspace.
Like the original Polish KBK barrels, our barrels have the distinct chamfer at the muzzle threads. We also made the remainder of the barrel contours the same as the original Polish KBK barrels. This includes each journal location and the large radius that leads up to the surface that makes contact with the trunnion face.
These are made from 4150 steel.
Stamped USA 7.62. 1-10 twist rate.
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