The Luth-AR Complete Bolt Carrier Group for the LR-308 (brand part no. 308-BCA) gives AR-10-pattern builders a ready-to-install, fully assembled BCG that drops into an LR-308-pattern upper without additional fitting. It’s a straightforward way to complete an AR-10 build or replace a worn factory BCG with a durable, precision-made part.

Key Specifications

• Fits the LR-308/AR-10 platform.
• Complete, fully assembled bolt carrier group, ready to install.
• Drop-in fit into a compatible LR-308-pattern upper, no additional fitting required.

Frequently Asked Questions

What platform does this BCG fit? The LR-308/AR-10 platform.

Is this a complete, ready-to-install BCG? Yes, it drops into a compatible LR-308-pattern upper without additional fitting.

Buy the Luth-AR Complete Bolt Carrier Group for LR-308

Complete your AR-10 build with a precision-made BCG. Order it from our Luth-AR lineup, part of our AR10 bolts selection, at our Lubbock, Texas gun shop for fast, direct shipping.