"Modeled after the legendary HK416 tactical rifle used by elite military and law enforcement units across the globe, the HK 416 Semi-Auto Rimfire Rifle offers superior reliability and accuracy at distance. This rimfire rifle features an anodized aluminum receiver and operates on an ultrareliable blowback system. A 6-position collapsible stock offers a custom fit, while the pistol grip features a storage compartment for cleaning kits, replacement batteries, or lubricants. A full-length 1913 Picatinny rail readily accepts a variety of aftermarket optics and other rail-mounted accessories, while factory-mounted flip-up sights ensure rapid and intuitive target acquisition. The forend comes equipped with M-LOK slots for a variety of aftermarket lights, lasers, and tactical accessories, and the threaded barrel (1/2""x28) is equipped with an A2-style flash suppressor for optimal tactical performance and reliability. A last-round, hold-open device ensures superior reliability and speedy reloads, and a functional dust cover aids in keeping the action clean in difficult environments. Anodized aluminum upper and lower receivers 6-position collapsible stock Straight blowback operation Full-length Picatinny rail 1/2""x28 threaded barrel A2-style flash suppressor Functional dust cover Last-round hold-open"