Receivers - Upper Receiver

Aero Precision

M4e1 5.56mm Stripped Upper No Forward Assist For Ar-15 BlkColor : BlackMake/Model : AR-15Cartridge :…

Anderson Manufacturing

Anderson Ar-15 Stripped Upper, Flattop, M4 Feed Mil-spec

Ke Arms

Wwsd 223 Rem Upper Receiver 16'' Euro Edition No Auto SearContour : LightweightLength : 16''Color : …

Aero Precision

Ar-15 Stripped Upper Receiver No Auto Sear CutFinish : AnodizedColor : BlackStyle : Stripped

Zro Delta

Ar-15 Forged M4 Stripped Upper ReceiverMake : AR-15Make/Model : AR-15Finish : AnodizedStyle : Stripp…

Aero Precision

M4e1 5.56 Assem Upper Govt 14.5'' Bbl Mid-length Threaded BlkCartridge : AKK_5.56 mm NATOMake/Model …

Sons Of Liberty Gun Works

5.56mm Nato 13.7'' East India Upper ReceiverTwist : 1-7Color : BlackLength : 13.7''Muzzle : 1/2-28Ca…

Midwest Industries

Ar-15 10.5'' Carbine Upper Receiver 1-7 M-lok Blk 5.56mmMake/Model : AR-15Cartridge : AKK_5.56 mm NA…

Sons Of Liberty Gun Works

Ar-15 Sage Dynamics Upper Receiver 5.56 12.5'' M-lok BlackStyle : M-LOKMake/Model : AR-15Finish : An…

Aero Precision

M4e1 5.56mm Assembled Upper M4 10.5''bbl Carbine Threaded FdeColor : Flat Dark EarthFinish : Anodize…

Aero Precision

M4e1 5.56mm Assembled Upper M4 10.5''bbl Carbine Threaded BlkColor : BlackLength : 10.5''Cartridge :…

Wilson Combat

Ar-15 Billet Upper ReceiverMake/Model : AR-15Finish : AnodizedStyle : StrippedMake : AR-15Cartridge …