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M16/4 Full-Auto Carrier Assembly

A completely assembled Full-Auto Carrier Assembly ready to drop into your M16, M4 and/or AR15

This Full Auto Carrier Assembly is Mil-Spec grade, coated in EXO technology and will drop into any standard M16, M4 or AR15, making for easy clean up and longer wear life.

Nickel Boron treated parts include:

EXO Coated Full-Auto Bolt Carrier
EXO Coated Gas Key (Staked)
Gas Key hardened to USGI specs
Grade 8 hardened fasteners


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RT @PrimaryArms: 6 lbs. overall weight. 3.5 lb. match trigger. .223 Wylde barrel. Ambi Charging handle and enhanced furniture. DM to find o…

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