The LMT Defense Semi-Auto 7.62x51 Nato Bolt Carrier Group is built to the same demanding standards as the company’s renowned enhanced 5.56 carriers, delivering smooth cycling and dependable operation in AR-10 style rifles. This complete .308 BCG features a chrome carrier with carefully engineered geometry, robust construction, and an extractor system tuned for reliable case control under sustained use.

Ideal for shooters building or upgrading a 7.62x51 Nato or .308 Winchester semi-auto rifle, this carrier group supports consistent performance for range work, training, hunting, or precision-focused setups. Its semi-auto profile, direct-impingement compatibility, and attention to detail make it a solid choice for those who value reliability at the heart of their rifle. LMT Defense’s reputation for thoughtful engineering and durable components is reflected throughout this bolt carrier group.

Key Features:

• Manufacturer: LMT Defense
• Model: LM308SS / R-LM308D Semi-Auto .308 Bolt Carrier Group
• Caliber: 7.62x51 Nato / .308 Winchester
• Product Type: Semi-Auto Bolt Carrier Group
• Platform: AR-10 / MRP-H / MWS .308 Rifles
• Finish Color: Chrome
• Operating Method: Direct Impingement
• Weight: Approximately 1.21–1.75 Lbs