All US made Krinkov 4 Piece flash hiders are made of 4130 steel and the body-cone-cap nickel plated inside and out.
I AM NOT PAINTING THESE ANY MORE SO THEY WILL HAVE TO BE BLASTED AND PAINTED TO MATCH YOUR RIFLE.
The main body is engraved USA and counts as one part towards 922r compliance.
There are five thread sizes for attaching these to original Bulgarian 24mm rifles, Yugo M92, 14-1 LH, 1/2-28 right hand, or HK-G3 M15x1 Threads.
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