CMMG AR-15 Upper Receiver Assembly MK4


43 in stock

43 in stock

SKU: RS-CMMG55BA22C Categories: , ,


The CMMG Upper Receiver Assembly is perfect to start your next AR-15 build! The Black Anodized Flat Top Upper comes the Forward Assist and Dust Cover Installed.

Additional information

Weight 8.0071893696159 oz


No additional specifications are currently available.

MSR Arms Advisor

The MSR Arms Advisor articles are intended to answer some of the most common shooter questions and assist our customers in making the best purchasing decision possible. There are currently no articles available for this item. If you would like help selecting the right part for your needs, please email our sales team at:


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