Components

Barrel: 7.5" Parkerized 4150 Steel Heavy BarrelTwist: 1:10Caliber: 7.62x397" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 7.62x39 Mil-Spec Bolt Carrier Group AR-15 Nitride *Picture might show optional accessories

Barrel: 7.5" 416R Stainless Steel 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 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 show optional accessories

Barrel: 7.5" Black NitrideTwist: 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 Handle     *Picture might show optional accessories

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 Handle   *Picture might show optional accessories