Diamondback’s DB10 Rifle Series is an outstanding value proposition when comparing components to price. It features a mid-length gas system with a melonite AR10 carrier with multi-caliber bolt, DPMS-style barrel extension, and high pressure firing pin. This DB10 model has an adjustable Magpul buttstock, A2-style pistol grip and a free-floated, nitrided barrel with an A2 flash hider. It also has a 7075-T6 forged aluminum receiver and 10″ M-Lok handguard.