This Panther Arms AR15 fires an amazing 700 rounds per minute with the option of semi or fully automatic. Fully adjustable rear sight and low tolerance barrel makes the AR15 incredibly accurate. The AR15 has an effective range of about 100 feet and shoot about 300fps (feet per second). The stock has a three point adjustment. Designed for .20 or heavier bbs with a 300 round capacity magazine. Uses a 8.4V battery/charger (not included) Will be shipped with orange flash hider.