JoeBobOutfitters Premium Complete M16/AR15 BCG - Nitride Finish
These BCG's are fully assembled and ready to drop in any AR15 or M16 rifle or pistol. These are the heavier M16 carrier and will work with any AR15 platform rifle designed to use a standard BCG. Calibers this BCG will work with include 5.56, 223, 204,and 300BLK.
Exceeds MIL-DTL-16232P & 220.127.116.11 of MIL-STD-171
Bolt: 9310-Case hardened, MP / HP Tested and Marked - Nitride Finish
Carrier: 8620 Tool Steel-(M16 full shroud)-Heat Treated - Nitride Finish - Faceted Design
Gas Key: 7742 Hard Chrome Lined - Milspec Staked
Cam Pin: 4340 Steel-Heat Treated - Nitride Finish
Extractor: 4130 Tool Steel - Nitride Finish
Extractor Spring: Upgraded Chrome Silicon Spring with Spring Insert & O-Ring for Enhanced Reliability.
Firing Pin: Ni Co-Cr Alloy - Meets and Exceeds Government Specifications