Quick view Spikes Lower Receiver Stripped ST-15 Spider Bullet Marking SPIKES TACTICAL $107.10 Spike's Tactical, STLS019 Spider, Stripped Lower, Semi-automatic, 223 Rem/556NATO, Black, Non-Color Specifications and Features: Caliber: Multi-Caliber Category: Lowers Finish: Black Hardcoat Anodized Gun Model: AR-15 Gun Type: AR Platform Material: 7075... Compare Wish list