Product ID: AR004M
M15A4 RIS BLOWBACK

NEW BLOWBACK VERSION! 170% SPRING 400FPS. Metal body with lasered Armalite logo, and serial number. Rail Interface System (RIS). Heavy duty collapsible/pull-out stock. Initial bb speed 300 - 350 fps. BB size to be used: .20g - .25g. Comes w/ Hi-cap magazine (300Rd). Uses mini battery (8.4V-10.8V). Weight 3100.0g. Barrel Length 363mm. Barrel Caliber 6.08mm. New Design Metal Body (Easy Assembling). 8mm Bearing Gear Box. Metallic Hop Up Chamber & New Hop Up Rubber. Battery Box is included. Adapter Ring. New Gears. Aluminum Metal in R.I.S.