SPECIFICATIONS Manufacturer: Classic Army Material: Nylon Fiber Velocity: 330-350 FPS Magazine Capacity: 300 rds Package Includes: Gun, Magazine FEATURES Programmable Electronic Control System (ECS) - 3 / 5-round Burst, Motor Protection, & Low Battery Detection Adjustable Gen2 PDW Stock 10" M-Lok Rail System 6.03mm Inner Barrel Mosfet-Protected Trigger Contacts Three-Prong Flash Hider w/ QD Threads Straight Trigger