Aa-ok.com sells gun parts and gun accessories
AA-OK - AK47, AKM, AK74 Spare Parts
Excerpted from the website:
- #AK-214 AKM BARREL BLOCK - Used "Take Offs" from demilled original 1960s production East German AKMs - with Bullet Guide installed. With original East German Serial Number! For 7.62 x 39 Rifles these "Trunnions" have 23mm diameter Barrel Hole.