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Fail Zero AR15 223/5.56 Bolt Carrier Group With Hammer NB

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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. The thing that sets fail zero apart from other manufacturers is that all the critical parts are coated with EXO Nickel Boron technology which provides permanent dry lubricity. You will also notice that the fail zero will be extremely durable and will have an increase in wear and corrosion resistance. The Nickel boron coating will reduce friction and improve the overall performance of your firearm.

Specifications and Features:
Fail Zero Bolt Carrier Group FZ-AR15-01-SAH
.223 Remington/5.56mm NATO
Complete Bolt Carrier Group
Hammer Included
All Critical parts are coated with EXO Nickel Boron technology
Patented Nickel Boron reduces friction/improves performance

Nickel Boron Treated Parts:
Bolt and Extractor
Bolt Carrier
Semi-Auto Hammer (Single Stage)
Cam Pin
Carrier Key
Firing Pin

AR-15's chambered in .223 Remington / 5.56mm NATO

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