Quick View Compare Heckler & Koch HK MR556 A4 5.56mm 16.5" Upper Receiver Kit -Black (51000384) $2,179.00
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Quick View Compare Radian Weapons Radian Weapons Complete Upper 16" .223 Wylde - Radian Brown $2,029.95
Quick View Compare Radian Weapons Radian Weapons Complete Upper 16" .223 Wylde - Radian Gray $2,029.95
Quick View Compare Radian Weapons Radian Weapons Complete Upper 16" .223 Wylde - Radian Black $2,029.95
On Sale Quick View Compare Colt's Manufacturing Colt EPR Complete Upper 5.56mm, M-LOK Handguard - 16" Was: $1,036.80 Now: $949.99
On Sale 5 stars Quick View Compare Colt's Manufacturing Colt Mfg LE6920CK Upper 5.56mm 16.1" - Black Was: $829.00 Now: $599.99
Quick View Compare Daniel Defense Daniel Defense M4V7 LW Upper Receiver Group 16" M-LOK 5.56mm NATO - Black $1,216.80
Quick View Compare Black Rain Ordnance Black Rain Ordnance 16" .458 SOCOM Complete Upper - .458 SOCOM $999.00
