Fail Zero AR-15/M4/M16 Complete Bolt Carrier Group 5.56 NATO Full Auto Nitride Coated Matte Black Finish

Fail Zero AR-15/M4/M16 Complete Bolt Carrier Group 5.56 NATO Full Auto Carrier Nitride Coated Matte Black Finish
The Fail Zero complete bolt carrier is the BCG that you want to put in your rifle. The Fail Zero BCG's are assembled and ready to drop into your mil-spec upper receiver. This particular version is the full auto carrier which features a standard black nitride coating. All criticl parts are Black Salt Bath Nitride Finished in order to provide enhanced durability and increases the overall life for both wear and corrosion resistance. Additionally noteworthy is the fact that this unit comes with a firing pin which features a chrome finish.

Fail Zero AR-15/M4/M16 Complete Bolt Carrier Group (Matte Black Finish) Specifications and Features:
Fail Zero FZ-NITRIDE-01-NH
Complete Bolt Carrier Group
5.56 NATO / .223 Remington / .300 AAC Blackout / and similar
Drop In Component
Full Auto Rated
No Hammer Included
Firing Pin Features a Chrome Finish
5.56 NATO / .223 Remington / .300 AAC Blackout / and similar
Matte Black
Black Nitride Treated Parts:
Bolt
Bolt Carrier
Extractor
Cam Pin
Carrier Key
Fits:
All Mil-Spec AR-15 / M4 / M16 Upper Receivers