Standard GI Style
Thread Pitch 1/2 X28 for AR15 5.56/.223
Rust and Corrosion Resistant Black Phosphate
Helps Control Muzzle Rise, Flash and Recoil
Finished with A Black Phosphate With 5 Down Force Vents
Includes Crush Washer
Machined Steel, Matte Black. 1.75" (4.4cm) Long, 7/8" (2.2cm) O.D. ½”-28 Tpi.