Q LLC 2-Piece BCG Bolt Carrier Group, Black - Robust and Efficient Bolt Carrier Assembly - ACC-AR-BCG-2PC

Overview

The Q LLC 2-Piece Bolt Carrier Group is a modular system designed for 5.56x45mm NATO, .223 Remington, and 300 Blackout AR-15 platforms, focusing on enhanced field serviceability and reliability. The assembly features a two-piece design consisting of a front-end and a rear-end, retained by a single pin to allow for rapid, tool-free field stripping. The front end is constructed from black-nitride-coated maraging stainless steel and features a "SCAR-cut" profile to prevent bolt bounce. The rear section is heat-treated stainless steel and integrates the firing pin, eliminating the need for a traditional firing pin retaining pin. This BCG includes a mil-spec gas key with proper staking, a mil-spec bolt, a cam pin, and a firing pin. By separating the bolt from the carrier body, the two-piece configuration facilitates easier maintenance, especially when removing carbon buildup after suppressed shooting. It is designed to be a durable, drop-in upgrade for standard AR-15 upper receivers.

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