Complete Phosphate M-16 BCG
Phosphate Coating Inside and Out (Bolt, Carrier, and Gas Key)
Laser Engraved with ST Spider logo
Mil Spec Carrier
Mil Spec Bolt
Mil Spec Extractor
Mil Spec Gas Key
Firing Pin with Hard Chrome Finish
Cam Pin Phosphate Finish
Retaining Pin
Weight: 11.6oz