Receivers - Upper Receiver

Colt

M4 Le6940 Upper Group 16in With Bcg And SightsLength : 16''Make : AR-15Finish : AnodizedCartridge : …

Fn America

Fn15/ar 16'' Carbine Upper Receiver AssemblyMake/Model : AR-15Cartridge : AKK_5.56 mm NATOLength : 1…

Battle Arms Development Inc.

Ar-15 Workhorse 16 Upper M-lok 1-7 Twist 5.56 NatoFinish : AnodizedCartridge : AKK_5.56 mm NATOMak…

Battle Arms Development Inc.

Ar-15 Workhorse 10.5 Upper M-lok 1-7 Twist 5.56 NatoMake/Model : AR-15Style : AssembledCartridge :…

Stag Arms

Stag 15 Tactical 7.5'' Nitride UpperTwist : 1-7Finish : AnodizedColor : BlackMuzzle : 1/2-28Cartridg…

Ke Arms

Ke-15 Stripped Upper Receiver 5.56mmFinish : AnodizedColor : BlackMake : AR-15Style : StrippedMake/M…

Aero Precision

M4e1 5.56 Assembled Upper Govt 18'' Bbl Rifle Threaded BlackContour : CMVMake/Model : AR-15Color : B…

Aero Precision

M4e1 5.56 Assembld Upper M4 16'' Bbl Mid-length Threaded BlkFinish : AnodizedMake/Model : AR-15Make…

Aero Precision

M4e1 300blk Assemble Upper M4 16''bbl Pistol-length Thrd BlkColor : BlackContour : CMVTwist : 1-7Len…

Aero Precision

M4e1 300blk Assm Upper M4 10''bbl Pistol-length Threaded BlkLength : 10''Cartridge : CCP_300 AAC Bla…

Aero Precision

M4e1 300blk Assm Upper M4 8''bbl Pistol-length Threaded BlkColor : BlackStyle : CompleteCartridge : …

Aero Precision

M4e1 5.56 Assm Uppr 18'' Rifle 12'' Atlas S-one Hg BlkCartridge : AKK_5.56 mm NATOColor : BlackTwist…