Up for sale is a complete Rock River Arms 10.5" upper receiver without BCG. Has a round count of about +/- 500rds. Chambered in .223/5.56
10.5" Wilson heavy barrel
Troy Industries BattleRail MRF-MX 10"
YHM low profile gas block
YHM Phantom 5C2 Comp/Flash Suppressor
Knight's Armament rail panels
UTG forward grip w/battery storage
BSA 20mm 5-MOA red dot sight
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