10.5" 450 Bushmaster Parkerized Complete Upper

Barrel: 16" 4150 Parkerized Heavy BarrelTwist: 1:24Caliber: 450 Bushmaster12" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 458 / 450 Mil-Spec Bolt Carrier Group...

Barrel: 16" 416R Stainless Heavy BarrelTwist: 1:24Caliber: 450 Bushmaster12" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 458 / 450 Mil-Spec Bolt Carrier Group Nitride *Picture might...

Barrel: 18" 416R Stainless Heavy BarrelTwist: 1:24Caliber: 450 Bushmaster17" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 458 / 450 Mil-Spec Bolt Carrier Group Nitride   *Picture...

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: 10.5" 416R Stainless Steel M4 ContourTwist: 1:8Caliber: 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: 18" 4150 Parkerized Heavy BarrelTwist: 1:24Caliber: 450 Bushmaster17" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 458 / 450 Mil-Spec Bolt Carrier Group...

Barrel: 10.5" Parkerized 4150 Steel Heavy BarrelTwist: 1:10Caliber: 7.62x3910" Free Float HandguardACME AR-15 Upper Receiver ACME Charging Handle Tool Craft 7.62x39 Mil-Spec Bolt Carrier Group...

Barrel: 10.5" 4150 Parkerized 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 show...

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:  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