10.5" 5.56 Stainless Steel Complete Upper

Barrel: 10.5" 4150 Black Nitride M4 ContourTwist: 1:7Caliber: 5.56 Chamber10" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might...

Barrel: 16" 4150 Black Nitride M4 ContourTwist: 1:7Caliber: 5.56 Chamber15" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might...

Barrel: 10.5" Parkerized 4150 Steel Heavy BarrelTwist: 1:7Caliber: 300 Blackout10" Free Float Handguard ACME AR-15 Upper Receiver ACME Charging Handle ACME 5.56 Mil-Spec Bolt Carrier Group Nitride...

Barrel: 16" 416R Stainless Steel M4 ContourTwist: 1:7Caliber: 5.56 Chamber15" Free Float HandguardACME AR-15 Upper Receiver 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might show...

Barrel: 10.5" 416R Stainless Heavy BarrelTwist: 1:24Caliber: 450 Bushmaster7" Free Float HandguardACME AR-15 Upper Receiver  Tool Craft 458 / 450 Mil-Spec Bolt Carrier Group Nitride *Picture...

Barrel: 20" Ballistic Advantage Modern SeriesTwist: 1:10Caliber: 7.62x5117" Free Float HandguardACME AR-10 Upper Receiver ACME 7.62 Mil-Spec Bolt Carrier Group AR-308 Nitride Modern Series Barrels...

Working in conjunction with Aero Precision, Bear Creak, and Luth-AR to bring you this incredible package at this price.Featured Components IncludedACME Machine AR-15 Upper ReceiverACME Machine AM-15...

Barrel: Ballistic Advantage 18" SPR Stainless Steel, Premium SeriesTwist: 1:8Caliber: 6.5 Grendel Type II17" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 6.5 Mil-Spec Bolt Carrier Group...

Barrel: Ballistic Advantage 20" DMR Stainless Steel Fluted, Premium SeriesTwist: 1:8Caliber: 6.5 Grendel Type II17" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 6.5 Mil-Spec Bolt Carrier...

Barrel: 7.5" 416R Stainless Steel ContourTwist: 1:7Caliber: 5.56 Chamber7" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 ACME Charging...