Product Description
Fail Zero M16/M4 Nickel Boron M16 Style Bolt Carrier Group
A completely assembled, ready to install M16/4 Bolt and Carrier System. Kit includes critical parts that are treated with EXO Technology, a revolutionary surface technology that provides permanent dry lubricity, radically improves the performance of your M16/4 and eliminates the need to apply oil or grease to treated parts for the life of the weapon. Treated parts include; Bolt, Bolt Carrier, Extractor, Cam Pin, Carrier Key. Quality features include:
- .223/5.56 Caliber
- Case Hardened, Shot Peened and MPI Bolt (Magnetic Particle Inspected)
- EXO Coated Bolt (40% more wear resistant than Chrome with a very Low Coefficient of Friction)
- Mil-Spec Gas Rings
- EXO Coated Carrier
- Gas Key with EXO Coated Exterior and Chrome Lined ID. Hardened to USGI Specifications
- Mil-Spec Staked Gas Key
- Grade 8 Hardened Fasteners
- Black Extractor Insert
- 300 Blackout Compatible
- Firing Pin and retainer
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Product Reviews
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Fail Zero NIB BCG
Quick shipping from Surplus Ammo my BCG arrived in a well protected package.
BONUS NIB coated AR15 hammer included in package!
I can't wait to try this out in my DDM4V11.
Thank you Surplus Ammo!
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nice upgrade
While I have read these can run with no lubricant, I just cannot bring myself to do that. I ran a couple hundred rounds with it, and it functioned flawlessly.
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Best BCG Ever
Wish I would have had one of these in my M16 in Vietnam....