Description
Self-Lubricating Surface Treatment Provides Smooth, Reliable Function
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 the gun runs cooler and parts last longer. Easy to clean, too—fouling brushes right off. Before treatment, parts are shot peened for surface uniformity and magnetic particle inspected to make sure there are no hidden flaws. Gas key is hardened to USGI specs, chrome lined to resist erosion, and comes already staked to the carrier.Complete Bolt/Carrier Group comes fully assembled and ready to drop into any mil-spec AR-15 upper receiver. Includes bolt, bolt carrier, small pin (.154"), hammer, firing pin, extractor, cam pin, and gas key. Every kit is test fired for proper function before leaving the factory. Separately available Carrier comes with gas key installed and staked. Bolt includes extractor, ejector, and gas rings installed. Add the firing pin of your choice.
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.
SKU #: FZ009-FZAR15-01-NH
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Customer reviews
Comments (4)
Best price I've seen for a Failzero BCG (no hammer) was last holiday season(2014) from Primary Arms for $99
All my guns have NIB bolt carrier groups, I own two WMD's and one Failzero and I think they're great. Despite the manufacturers claim of all this self lubricating nonsense, I still lube my guns as I would with a non nickel boron product, just easier to clean and the service intervals can be lengthened.
I could care less what the manufacturer says, or what others do; a wet AR is a happier AR, it's that simple.
You can get it cheaper here: http://www.wcarmory.com/toolcraft-bcg-223-5-56-bolt-carrier-group-mpi-ni-bo-complete.htm...
Need to adjust the description. This is an .450 Bushmaster AR-15 Bolt Carrier Group. The BCG is the same, except for the bolt.