AirSplat.com's AirSplat on Demand feature the ACM brand, JM, with their take on the SR-16 URX M4... "In this episode of AirSplat On Demand, Jake and Kristen review the JM SR-16 URX M4 Airsoft AEG Gun Rifle! The JM SR-16 URX M4 has a velocity of 435 FPS (0.20g BB) and a range of 200-210 feet. It has a barrel length of 16 inches and a magazine caapacity of 300 rounds. It features full metal receivers, full metal RIS forend, ambidextrous bolt stop, and magazine release & fire control. So join Jake and Kristen as they review and take this gun out for a shooting test!"