M16 Bolt Carrier Group - Polished Nickel Boron

M16 Bolt Carrier Group - Polished Nickel BoronThese M16 BCGs, which are trusted by seasoned shooters and depended on by experienced builders, are manufactured with the highest quality materials. Each M16 Bolt Carrier is designed to perform for tens of thousands of rounds. The outside dimensions and ALL three interior dimensions are ground, giving our BCGs a near frictionless surface finish. The industry-leading plater, WMD, applies the polished nickel boron coating. The NiB-X coating provides a very slick surface that makes for easier cleaning and increases reliability.Features 9310 5.56/.223 Bolt - (NIB-X) 8620 M16 Style Carrier - (NIB-X) 4140 Billet Gas Key - (NIB-X) 4140 Cam Pin - (NIB-X) Billet Extractor - (Phosphate Coated) 17-4 H-900 Stainless Steel Firing Pin 100% American MadeBenefits Of Using A Nickel Boron AR-15 Bolt Carrier GroupA Nickel Boron AR-15 Bolt Carrier can provide several benefits to your firearm. The Nickel Boron coating is highly durable and corrosion-resistant, ideal for harsh environments and high-volume shooting. This durability reduces the need for frequent maintenance and replacement, ultimately increasing the lifespan of your firearm. The coating also provides a smoother surface than traditional steel, reducing friction and drag within the gun's moving parts, leading to more reliable cycling and less wear on internal components. Additionally, the self-lubricating properties of the Nickel Boron coating help retain lubrication, further reducing wear and increasing the firearm's lifespan. Overall, a Nickel Boron AR-15 Bolt Carrier can enhance your gun's reliability, durability, and longevity.