BOLT CARRIER GROUP PISTON LMT DEFENSEOctober 17, 2025
The LMT Piston Full Auto Bolt Carrier Group Gen 2 is a top-performing BCG for 5.56 rifles. The piston-operated design ensures reliability and smooth operation. The captive firing pin retainer enhances the overall design, and it is an easy upgrade for existing LMT piston rifles.
Features:
- Utilizes a piston operating method for enhanced reliability and reduced fouling
- Features a captive firing pin retainer like LMT’s .308 rifles
- Easy drop-in upgrade
- Enables smooth and consistent operation, minimizing recoil and enhancing shooting experience
- Precision construction
- Constructed with high-quality materials to withstand rigorous use and provide long-lasting reliability
- Designed by LMT, a renowned manufacturer known for producing reliable firearm components
- Suitable for both military and civilian applications
Made In USA
















