GC_UPC Echo 316 AR-15 Complete Lower 5.56mm M4 Stock Black $231.22 491782 show more like this Free on Guns, $9.99 Accessories, $14.99 Ammo Tombstone Tactical GC_UPC DELTON AR-15 COMPLETE LOWER W/COLLAPSIBLE STOCK 5.56MM $231.76 LR102T show more like this Free Shipping GunStuff TV