Bolt Carrier Groups/BCG Parts
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The bolt carrier group is often considered the heart of the AR-15. Its performance is crucial to the proper function of your firearm. Everything from the metallurgy, weight, and finish all the way down to the firing pin hole size can have an impact on accuracy, reliability, and durability. Pew Tactical offers complete AR-15 Bolt Carrier Groups (BCGs), bolt assemblies, carriers, and miscellaneous small parts.