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Compatible with any milspec AR-15 lower receiver.

Assembled by our gunsmiths at Angle of Attack Arms, this complete upper utilizes CMMG's bcg/barrel combo.  The dedicated 5.7x28mm 16.1" barrel made from 4140CM steel has a 1:9 twist and a 1/2x28 threaded muzzle. The blow back operated bolt uses CMMG's patented Radial Delayed Blowblack operating system. Giving this upper reduced recoil and enhanced safety. 


We added a stadard birdcage flash hider, an ambidextrous charging handle, and a 15" free float MLOK handguard. 


Ships with 1 32 round 5.7x28mm converted magazine that fits any stardard AR-15 magwell.

5.7 x 28 mm Complete Upper 16"

Excluding Sales Tax
Out of Stock
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