LANTAC Enhanced Bolt Carrier Group Full Auto AR15/M4 .223/5.56 Black Nitride

Lantac's Enhanced 5.56 bolt carrier group is a full-auto profile AR-15 BCG with enlarged, forward-facing gas vents that help it run cooler and cleaner, especially on suppressed short-barreled rifles.

Features

• Patented forward porting with enlarged, shrouded gas vents
• Can reduce gas in the upper on suppressed short-barreled rifles (not a full fix for an overgassed rifle)
• Balanced flared boss for more consistent lock-up
• Mil-spec gas rings
• Domed CP-R360 cam pin with a smooth head to reduce upper receiver wear
• Hard chrome lined gas key, staked at four points, sealed with gasket sealer, grade 8 fasteners
• Semi-auto and full-auto compatible
• Made in the USA

Specifications

• Carrier: 8620 steel, heat treated, hard turned and ground
• Bolt: Carpenter 158 or 9310 steel, shot peened, magnetic particle inspected
• Cam pin: 17-4PH stainless steel, H900
• Finish: QPQ nitride
• Weight: 11.7 oz
• Part number: 01-UP-556-NIT-EBCG

Fits

• AR-15 / M16 / M4 rifles in .223 / 5.56 NATO

In the box

• 1 Enhanced bolt carrier group