used it once to try it, it's really good •Durable full metal aluminum alloy construction •13" M-LOK handguard w/ 2x Picatinny segments for mounting grips, lights, lasers & other accessories •Uninterrupted top Picatinny / 1913 rail for optics •3 port muzzle brake to match the real TR-1 ultralight •Ergonomic motor grip for additional comfort 6 position adjustable crane-style stock with plenty of battery space and QD sling swivel mounts on either side Flip-up front and rear iron sights FPS Range: 370-390