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The 2A Armament Lightweight Bolt Carrier (LBC) is a lightweight carrier solution for those looking to reduce both felt recoil, and over all weight of the AR-15 pattern rifle. The LBC combines a very high quality forward body and an advanced bearing surface aluminum tail to give the shooter a reliable, lightweight, and high quality bolt carrier group. The advanced finned design of the tail section of the LBC reduces drag and wear within the receiver extension which increases reliability. The LBC is intended for rifles equipped with an adjustable gas system.Features and Specifications:Manufacturer Number: 2A-LWBCG-S2A Armament Lightweight Complete Bolt Carrier Group .223 Rem/5.56 NATO/.300 AAC BLACKOUTCarrier is made from 8620 steel, heat treated and QPQ NitrideBolt is made from 9310 steel heat treated, MP, Cryo'd, and QPQ NitrideRear body is made from 7075-T6 hard anodized clearExtractor is machined, heat treated, and QPQ Nitride Carrier key is machined, heat treated, QPQ Nitride, and staked screwsOverall Weight is 7.9oz assembledPatent PendingMade in the USANitride Finish
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