ATI Alpha MAXX SBR Features The 7.5 inch barrel in 5.56mm keeps the rifle short and quick to handle and the 1/2x28 muzzle thread accepts a brake flash hider or suppressor. A 7 inch polymer M-LOK rail gives the shooter room for a light a vertical grip or other accessories without adding much weight up front. A 60 round magazine comes in the box so the rifle is ready for long strings of fire without a reload. For shooters who want a compact high capacity AR for training and plinking this rifle delivers. Front and rear flip up sights give a built in backup that folds out of the way when an optic goes on and the MM4 rear stock gives the rifle a solid contact point at the shoulder. The black finish keeps the look clean and practical. ATI has built its name on affordable feature rich AR platform firearms and the ATI Alpha MAXX SBR in 5.56mm carries that value into a short threaded accessory ready package for sale at GrabAGun. For range shooters who want a small high capacity rifle they can build out the Alpha MAXX SBR is a strong choice. ATI Alpha MAXX SBR Specifications Manufacturer: ATI Model: Alpha MAXX SBR Type: SBR Caliber: 5.56mm Barrel Length: 7.5 inches Barrel Description: Threaded Thread Pattern: 1/2x28 Handguard: 7 inch Polymer M-LOK Rail Stock: MM4 Rear Stock Sights: Flip-Up Color: Black Magazines Included: 1 60 Round Available At: GrabAGun