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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Colt bcg
Quite happy with the purchase. Arms unlimited is a goto for me.
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Couldn't ask for better service
Products always as described, special instructions followed to a T, fast shipping and questions always answered by fast polite knowledgeable personal, will recommend to everyone thank you AU
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Great product and great service.
Received both Colt bcg promptly and were legit. I had no issues with anything on my order.
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Colt bcg for ultimate build!
Fast shipping for free-99, my favorite price! Bcg came well protected and wrapped. Small scratch in on the non dust cover side, looks like from testing or something. No biggie, she’ll still run like a champ. No colt markings but mmpi tested, staked, yatta yatta. Nice tight tolerances, will last my lifetime. Great price for a great product.
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Colt BCG assembly
Arms Unlimited went the extra mile to ensure I had a Colt marked bolt carrier. The offered great communication and fast shipping. Will definitely use again!
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C stamped
C stamped carrier w/ white paint on bolt
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Colt BCG new as described
New Colt bolt carrier group with all Colt parts, labeled 'c' on bolt carrier, and 'MP 2' on bolt.
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Colt BCG
C marked carrier, MPC marked bolt. Fast shipping.
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Colt bcg
I ordered a Colt BCG and it was shipped quickly and suburb packaging to protect it. It was all properly stamped with colt markings . Overall , between price and shipping speed I couldn’t ask for more .