Whether you're completing a new AR-15 build or looking for a spare bolt carrier group (BCG) for quick replacements, TacFire has you covered with its AR-15 Bolt Carrier Group. Specifically designed for DPMS LR 308 Gen 1 patterned AR rifles, the TacFire .308 BCG is built for dependable operation, ensuring your firearm functions reliably in various conditions. The serrated design allows for easy use with a forward assist, enhancing overall performance. If you're aiming for smoother operation and increased reliability in your AR-15, you can't go wrong with a .308 Bolt Carrier Group from TacFire. Upgrade your build with this high-quality component for optimal shooting experience.