The Pulse R71 is a 6mm soft air electric assault rifle featuring semi and full auto modes, a high capacity gravity fed hopper and adjustable hop-up for increased, long range accuracy. It comes with a rechargeable NiMH battery and UL charger, an adjustable stock, removable compensator, a tri rail mounting system and a 400 round hopper. Muzzle velocities of up to 200 fps make it ideal for back yard skirmishes. Specifications: - Power Source: Electronic - Caliber: 6mm Plastic BBs - Velocity: Up to 200 fps - Weight: 4.2lbs - Front Sight: Post - Rear Sight: See thru hopper - Safety: Lever