Spikes Spider Stripped Lower Receiver with color Multi-Caliber 7075-T6 Aluminum. Spike's Tactical lower is American-made to the highest standards. Forged from 7075 T6 aluminum, it supports a black hard-coat anodized finish, multi-caliber, low shelf, and is RDIAS compatible. This model has an ST Spider logo with red coloring. We are a brick and mortar commercial store, come by in person or call. NOT FOR SALE WHERE PROHIBITED BY LAW, I SHIP TO ALL STATES WHERE LEGAL. Stock subject to change without notice, sales tax on all sales in state. Credit cards accepted with a 2.99% non cash handling fee. 7 DAY A WEEK, PHONE INFORMATION HOTLINE 52O 790 5017.