Springfield M1A Tanker, Semi-automatic, 7.62X51/308 Winchester, 16.25 Parkerized Barrel, Walnut Stock, Right Hand, 1 Mag, 10Rd, XS Sight Post with Tritium Insert, Weighs 8.75lbs AA9622 The M1A Tanker combines paradigm-shifting defensive features like a tritium-powered front night sight and ghost ring rear aperture with the inimitable timeless appeal of quality stained walnut. The 16.25" carbon steel barrel features a 1:11" right hand twist and six-groove precision rifling, and the whole package comes in at less than 9 lbs. With the compact yet powerful M1A Tanker you'll always have enough gun.