The 7.62x39 model has 14x1 LH threads, the .223/5.56 model has 1/2x28 threads, and
the .308 model has 5/8x24.
An AR in 7.62 x 39 can be threaded 5/8-24.
The 7.62x39 model has 14x1 LH threads, the .223/5.56 model has 1/2x28 threads, and
the .308 model has 5/8x24.
An AR in 7.62 x 39 can be threaded 5/8-24.