Home > AR-15 Parts > Fail Zero Ar-15 Bolt/Carrier Group Exo-Treated Nickel Boron

Fail Zero Ar-15 Bolt/Carrier Group Exo-Treated Nickel Boron

Buy Fail Zero Ar-15 Bolt/Carrier Group Exo-Treated Nickel Boron

We found a great deal on the Fail Zero Ar-15 Bolt/Carrier Group Exo-Treated Nickel Boron for only $124.99 at Brownells.

Drop-in bolt and carrier group has a self-lubricating surface that eliminates the need to apply oil or grease that can attract dirt, dust, unburned powder, and carbon and lead to cycling failures. Proprietary EXO-treated Nickel Boron finish produces an exceptionally hard surface that’s 40% more wear resistant than chrome plating, with an ultra-low friction coefficient. Surface is actually harder than the substrate underneath and will not peel, flake, gall, or rub off. EXO-treated Nickel Boron finish bolt/carrier groups have been tested to function reliably without additional lubrication up to 50,000 rounds. Reduced friction also means less heat generated by metal-on-metal contact, so t Mfg: Fail Zero SPECS: Heat-hardened carbon steel, EXO-treated Nickel Boron finish. Fits mil-spec AR-15 upper receiver. Carrier does not have provision for auto sear trip.

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  1. Garth Hill
    May 17th, 2015 at 19:44 | #1
  2. Galvin
    May 17th, 2015 at 19:44 | #2
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