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Old 12-12-2012, 4:23 PM
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Default AR15 Bolt - 5.56 NATO Nickel Boron

Introducing: AR15 Bolt - 5.56 NATO Nickel Boron

*** Click on a photo for ordering info and pricing ***

Description:

Drop-in bolt 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. Nickel Boron 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. 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. Bolt includes extractor, ejector, and gas rings installed. Add the firing pin of your choice.






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