The L7D3 is the perfect BCG for a Mil-Spec build or upgrade from sub-par equipment. LMT Defense has made the full-auto M16/M4 BCG and its components and replacement parts for the United States and its allies for years. These BCGs are standard equipment in all of our complete full-auto weapons. Works well with both suppressed and unsuppressed weapons.
The manganese phosphate carrier is machined out of 8620 Carpenter steel and has been magnetic particle inspect to ensure the dimensions are Mil-Spec or greater. The gas key has been properly staked to prevent the hardened screws from backing out over time and the heavier weight of the M16 profile helps to prevent bolt bounce during rapid fire. This LMT 5.56 bolt carrier is the perfect addition to your next “bomb-proof” ar-15 build.
Features:
Full Auto Bolt Carrier Group, 5.56×45 (.223)
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