The Lmt Defense AR-15 5.56mm Full Auto Bolt Carrier Group Black is built to the same standards LMT supplies to military and professional users. This M16-pattern carrier group is designed for 5.56x45 NATO AR-15 platforms, offering dependable cycling in both suppressed and unsuppressed rifles and serving as an ideal upgrade over basic mil-spec components.

This complete bolt carrier group is suited for duty-style carbines, training rifles, and serious range use where reliability is a priority. Its full-auto profile carrier and proven direct-impingement compatibility make it a strong choice for shooters assembling a premium AR-15 or refreshing a hard-used rifle. Backed by Lmt Defense’s long history of producing M16/M4 components, it reflects careful machining and consistent quality control.

Key Features:

• Manufacturer: Lmt Defense
• Model: L7D3 Full Auto Bolt Carrier Group
• Caliber: 5.56x45 NATO
• Carrier Type: M16 Full Auto Pattern
• Operating Method: Direct Impingement
• Color: Black
• Compatible Platforms: AR-15 5.56/.223
• Includes: Complete Bolt Carrier Group Assembly