B5 DPMS DR-10 complete lower receiver, forged 7075-T6 aluminum with MIL-A-8625F Type III Class 2 hardcoat anodizing. Features a mil-spec diameter PA15 6-position receiver extension, polished hammer/trigger, and B5 Systems Bravo stock. Compatible with PSA Gen1/Gen2 uppers, with optimal appearance and performance achieved with DPMS DR-10 or PSA Gen3 uppers. Includes DR10 short buffer, buffer spring, and custom Panther over-molded A2 grip.