Factory Colt complete bolt carrier group assembly for your AR15, M16 or M4 is the only BCG manufactured to truly meet and exceed all Mil Spec standards. Compatible with full-auto or semi-auto receivers. The bolt carrier and bolts are MPI tested & marked to give you ultimate confidence in your weapon system.
Reviews
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A1. New Colt, C Marked Carrier, MPC Marked Bolt
can't get better!
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Colt BCG Assembly
This is a Mil Spec Colt Bolt Carrier Group Assembly with all the markings. It works great and shipped fast!
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Excellent customer service.
Had exactly what I needed, super fast shipping.
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Colt BCG
Came with a laser etched C on the carrier and MPC on the bolt. Genuine Colt, buy with confidence.
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Colt Bolt Carrier Assembly
Solid, basic bolt assembly, Colt quality. Got it to go with the Colt upper. Not dissapointed.
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New BCG
Arrived quickly and at a fair price. Original Colt BCG . Always good to have a spare as this assembly takes a lot of abuse .
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FAST shipping for genuine BCG
Genuine Colt BCG with all of the markings.
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Great Colt BCG!
Authentic Colt Bolt and Carrier! Fast shipping, great customer service! You've definitely got a happy customer!
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Used
It's the real thing. It is used, a lot of brass buildup on the bolt.