M-TAC talk about the BOLT Daniel Defense DD4 RIS IIIs 10.5" BRSS that can be found at their store. According to them this features a CNC machined aluminum frame, removable sights, and a metal body. It operates in semi and full-auto modes and holds a 70-round mid-cap magazine. With an adjustable length of 740-820mm and a weight of 2900g, it's both versatile and sturdy. Compatible with standard VER II spare parts, it offers a reinforced gearbox, aluminum piston with steel teeth, steel gears, and a high-torque long shaft engine. The precision 6.02mm barrel and adjustable hop-up ensure accuracy, while the rear wiring and Blow-back & Recoil System (BRSS) provide a realistic shooting experience. Powered by an 11.1V15C Li-Po battery (not included), this airsoft rifle delivers impressive performance within legal power limits.