Rise Armament Low-Mass Bolt Carrier Group - Black Nitride

Rise Armament Low-Mass Bolt Carrier Group - Black NitrideThe Rise Armament Low Mass Bolt Carrier Group is a top-of-the-line upgrade for your AR-style platform. Precision manufactured and individually inspected; this bolt carrier group is designed to deliver high-level performance in any shooting scenario. The strong, easy-to-clean black nitride finish ensures maximum durability and reliability. The bolt is made of 9310 steel and is MPI tested, while the carrier is constructed of 8620 tool steel that has been heat treated and case hardened. The gas key is made of tool steel and features grade 8 hardened fasteners staked properly for added strength. The cam pin is made from 4140 steel, and the extractor is made of tool steel and shot peened for added durability. At just 8.9 ounces, this bolt carrier group is lightweight and easy to handle, making it the perfect upgrade for your AR-style platform.Features:Coating: Black Nitride Precision manufactured and individually inspected to ensure high-level performanceStrong, easy-to-clean black nitride finishCompatible with lighter buffers to allow faster follow-up shotsIndividually MPI testedBolt: 9310 MPI testedCarrier: 8620 tool steel heat treated and case hardenedGas key: tool steel - grade 8 hardened fasteners and staked properlyCam pin: 4140 steelExtractor: tool steel - shot peenedLightweight - only 8.9 oz.