- Material : 17-4ph® Heat Treated Stainless Steel
- Finish : BLACKNITRIDE™ - Satin Finish(Half Gloss)
- Surface Hardness : 68RC
- Caliber : 300AAC Blackout /.308 Win / 7.62mm
- Thread : 5/8x24 RH
- Installation : Crush Washer (included), Installation should be done by a qualified gunsmith.
* Do not use with any other muzzle attachment devices like sound suppressor. Please use the GAMMA 762 alone.