The Spikes Tactical Forged Stripped Lower Receiver is a high-quality, affordable option for building your next AR-15 rifle. This stripped lower receiver features the Punisher Skull logo, color-filled in black, adding a touch of style to your build. Made from 7075 T6 aluminum, this lower receiver is built to last and withstand the rigors of regular use. The Type II hard coat anodized finish provides a durable and long-lasting finish. With its multi-caliber marking, this lower receiver can accommodate a variety of ammunition types. Fast shipping ensures you'll have your new lower receiver in no time. Product Features and Specifications: Forged from 7075 T6 aluminum: Caliber marked "Multi": Punisher Skull Logo: Color Fill engravings: Matte Black finish: Accepts .154" Diameter Trigger and hammer pins: Mil-A-8625F Type III Class 2 Hardcoat anodized finish: