For Sale is a. Heckler & Koch G36C Electric Airsoft Rifle. From the Competition Series, manufactured and officially licensed by Umarex. Key Features and Specifications. Semi-automatic and full-automatic, with a safety mode. Uses 6mm plastic airsoft BBs. Shoots at a velocity of approximately 345-350 FPS (feet per second) using 0.20g BBs. A high-capacity 400-round magazine. Features a full metal gearbox and metal gears for durability. Made from high-quality, fiber-reinforced polymer, contributing to a lighter weight. The stock is a folding skeleton design, ideal for maneuvering in tight spaces. Includes a full-length top rail for optics and front rails for tactical accessories, such as lights and lasers. It also has integrated iron sights and an adjustable hop-up system for accuracy.