Defiance TR110 keymod hanguard includes three prong barricade stop. Stamped MK2 aluminum receiver features and integrated enlarged trigger guard. Amidextrous fire selector/locking bolt and Defiance pistol grip guarantee active comfort. 15 adjustment setting Krytac rotary hop up w/ dial for quick reference and precision. Krytac adjustable stock features two different battery configurations. Stock includes two QD sling swivel divots and loop for strap type sling attachments. Reinforced 8mm ball bearing gear box to ensure efficiency. Integrated MOSFET to regulate electronic signals and protect trigger contacts. Gearbox features a small window to simply allow direct lubrication to the gears and piston. Modular spring guide design for quick change spring system. Durable, lightweight, padded piston includes four metal teeth 2nd to last tooth absent to simplify fine tuning for absolute precision. Krytac high torque motor is capable of 30,000 RPM unloaded. Rockwell test figures on Krytac gears are much higher than airsoft industry norms. In the Box 1X Trident MK2 CRB AEG 1X Magazine 1X Metal FLash Hider 1X Front Sight 1X Rear Sight 1X Short Keymod Rail Segment 1X User Manual 1X Cleaning Rod Specifications: Operation Electric Automatic Build Metal/Aluminum receiver Firing Modes Semi-automatic, Full-automatic, w/ Functioning Safety Muzzle Velocity 385 FPS Gearbox Version 2 Magazine 350 rds Battery Inner Barrel 280mm (6.05 diameter) Hop-Up Adjustable Rotary Weight 5.5 lbs Overall Length 26.5 - 31 California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov