1/2x28 thread pitch for .223/5.56 barrels
Engraved on two sides
1.200" diameter
3.250" length
4.2 ounces
Hard anozized 6061 aluminum
Legal in all 50 states (even YOU CA!)
Directs gasses and noise forward
Includes crush washer so that you can index design
Will allow 9mm to pass through
Some engraved parts may take up to 3 days for processing