16" 300 Blackout Nitride Complete Upper

Barrel: 16" 416R Stainless Steel M4 ContourTwist: 1:8Caliber: 300 Blackout12" 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" 4150 Black Nitride M4 ContourTwist: 1:7Caliber: 5.56 Chamber15" Free Float HandguardACME AR-15 Upper Receiver *Picture might show optional accessories

Barrel: 16" Black Nitride 4150 Steel ContourTwist: 1:8Caliber: 6.5 Grendel12" Free Float HandguardACME AR-15 Upper Receiver ACME Charging Handle Tool Craft 6.5 Mil-Spec Bolt Carrier Group AR-15...

Barrel: 16" 4150 Parkerized Heavy BarrelTwist: 1:10Caliber: 7.62x3912" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 7.62x39 Mil-Spec Bolt Carrier Group AR-15 Nitride *Picture might show...

Barrel:  16" ParkerizedCaliber: 350 Legend12" KeyMod Super Slim Free Float Handguard5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might show optional accessories

Barrel: 10.5" 416R Stainless Steel Heavy BarrelTwist: 1:7Caliber: 300 Blackout10" Free Float HandguardACME AR-15 Upper Receiver ACME Charging Handle ACME 5.56 Mil-Spec Bolt Carrier Group Nitride...

Barrel: 18" 416R Stainless Steel HBTwist: 1:8Caliber: 6.5 Grendel12" Free Float HandguardACME AR-15 Upper Receiver *Picture might show optional accessories

Barrel: 7.5" 4150 Black Nitride Heavy BarrelTwist: 1:7Caliber: 300 Blackout7" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might...

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...