The Spike’s Tactical Punisher Lower is a special series lower featuring a Punisher logo instead of the usual ST Spider logo. The selector markings are Bullet Pictogram.* CNC Machined from a 7075 T6 MIL-H-6088 Forging* Low Shelf for RDIAS* Milled Manufacturer Engravings* Accepts .154″ Diameter Trigger & Hammer Pins* MIL-A-8625F Type III Class 2 Hardcoat Anodized Finish inside and out