ATI Alpha Maxx Features The ATI Alpha Maxx 300 Blackout uses a polymer upper and lower to reduce overall weight while maintaining durability for general-range use. Its 13 M-Lok handguard provides ample rail space for lights grips or other accessories and the integrated Picatinny top rail supports various sighting options. Flip-up front and rear sights come installed for immediate usability reinforcing its readiness as a versatile AR-style rifle. The 16 threaded barrel combines a black finish with a 1:8 twist providing reliable stabilization across common 300 Blackout loads. The ATI MM4 black synthetic stock offers a comfortable shoulder fit while the AR-compatible controls and 30-round magazine capability extend its practical utility. At 5.50 pounds the rifle maintains excellent portability without sacrificing the familiar ergonomics of the modern sporting rifle. ATI Alpha Maxx Specifications Manufacturer: ATI Model: Alpha Maxx Caliber: 300 Blackout Action: Semi-Auto Operating System: Direct Impingement Capacity: 30 Barrel Length: 16 Barrel Description: Threaded Barrel Finish: Black Barrel Material: Steel Receiver Material: Polymer Receiver Finish: Flat Dark Earth Receiver Description: Picatinny Rail Rails: 13 M-Lok Stock Description: ATI MM4 Stock Finish: Black Grips: Black Polymer Sights: Flip Up Front & Rear Magazine Type: AR-15 Thread Pattern: 5/8x24 Twist Rate: 1:8 Overall Length: 43 Weight: 5.50 lbs