GrovTec .223/5.56 Crush Washer
Designed To Be Installed To Secure Muzzle Devices
1/2 X 28 Thread Pitch For .223 Caliber
High Quality Steel Construction
Premium Black Nitride Finish
Battle Arms Development Thumper Compensator .308/7.62 - Black
17-4 Stainless Steel
30CAL (7.62/308), 5/8x24 Threaded, 2.2oz
Does not include a crush washer
Black Nitrite Finish