This CMMG complete upper assembly is chambered in .300 AAC Blackout. Simply add a rear sight, mount it to a complete AR-15 lower, and head to the range.
Specifications and Features:
CMMG AR-15 Complete Upper Assembly
.300 AAC Blackout
16" Barrel
1:7" twist, 5/8-24 threaded
A2 Front Sight
M16 Bolt Group
M4 Handguards
Black Finish
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complete upper receiver right here at Cheaper Than Dirt! Build, modify, and upgrade your rifle with parts and accessories from trusted brands, all ready to ship so that you can get your gun finished faster and get back to shooting sooner. Our competitive pricing allows you to afford quality you never thought possible.
