GC_UPC Bravo Company (BCM) M4 Upper Receiver Assembled AR-15 Aluminum - 349856 $129.00 BCM4-UR-M4 show more like this 5.00 MidwayUSA GC_UPC BCM 4URM4 BCM M4 Upper Assembly Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver for AR-15 $129.00 BCM4URM4 show more like this $10.95 flat rate GunStuff TV GC_UPC BCM 4URM4 BCM M4 Upper Assembly Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver for AR-15 $129.00 4URM4 show more like this 8.95 Beebe Family Arms & Munitions GC_UPC Bravo Company AR-15 Upper Receiver Assembly M4, 1913 Rail, Black $129.89 BCM4-UR-M4 show more like this $8.99 Impact Guns GC_UPC Bcm 4Urm4 Bcm M4 Upper Assembly Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver For Ar-15 BCM4-UR-M4 $131.00 BCM4-UR-M4 show more like this Firearms $18.45, Free over $500 Shooting Surplus GC_UPC Bravo Company 4URM4 BCM M4 Upper Assembly Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver for AR-15 $135.24 4URM4 show more like this Calculated in Cart Classic Firearms GC_UPC Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4 $137.99 BCM4URM4 show more like this Free Shipping on most orders over $49 Optics Planet GC_UPC Bravo Company AR-15/M4 Complete Upper Receiver Assembly, Flattop, Aluminum, Black, BCM4-UR-M4 $137.99 BCM4URM4 show more like this Dvor GC_UPC Bravo Company Ar-15/M4 Flattop Upper Receiver Assembly - Upper Receiver Assembly $142.99 BCM4-UR-M4 show more like this $12.50 Brownells GC_UPC Bravo Company AR-15/M4 Complete Upper Receiver Assembly Aluminum Black BCM4-UR-M4 $160.56 BCM4-UR-M4 show more like this $10 Flat for Firearms Cheaper Than Dirt