Muzzle Brake-1/2"X28(.223),1/2"X28(9MM),5/8"x24(.308)
All Steel Short Compact Competition Muzzle Brake Knurled Finish 1/2x36 for 9MM
Anodized Aluminum 9mm Tanker Style Muzzle Brake 1/2"x36 Thread Pitch
AR M4 Stock Locking Pin
Steel Push Button Speed Safety 308 5.56 & 223 W/PIN & SPRING
Muzzle Brake - 1/2"X28(.223), 5/8"X24(0.308), 1/2"X36(9MM),14X1LH(.762)