5.56/223/300BLK
M16 Style Carrier 8620 Steel
Channels on rails of carrier to aid in removal of debris
Nitrided for a smoother finish, including carrier and key
C158 Bolt with 4130 Billet extractor
Gas Key 4130 Steel
Cam Pin 4340
Black insert/Viton o-ring & Mil-Spec extractor spring
Mil-Spec Gas Key Staking
MPI & Shot Peened
Made in USA
Optional Lantac Cam Pin
Lasered TAT Logo (Some may not have logo)