Product Description
Fail Zero M16/M4 Basic Kit - Nickel Boron M16 Style Bolt Carrier Group & AR-15 Style Hammer
A completely assembled, ready to install M16/4 Bolt and Carrier System. Kit includes six 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, Hammer, 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
- Firing Pin and retainer
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Fail zero m16/m4 bolt carrier group
Have had very good luck with everything one I have had.
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great service and product
I noticed on their website that it said that shipping out the product would take extra time. Granted I live in Ferndale, it shipped after one day and I received it the next day. I was shocked to see that they even had this in stock because I shoped around and couldn't even find one similar that wasn't backordered. Top notch quality bcg and for perfect with my yhm upper reciever, looks great on top of that. Service was great, my question by email was anwserd the next day, at first I was hesitant, but I will be ordering from saa again
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