Have a Bulgarian Barrel from K-Var in 7.62x39. it is a take off. essentialy new. the Barrel pin,F.S.B., L.H.G.& Gas Port are drilled. The G.B. & F.S.B. have NOT been. Muzzle is threaded.fits 23mm trunnion. this is an extremly nice barrel.$130.00 + SH. or trade for original Bulgarian take off Barrel in 5.45x39. it is the bottom barrel in photo. Thanks, Tom.