A heavy-duty gun with excellent performance at a low price. Includes a tactical rail system on the top and front sides for accessories. Fires at an amazing 350 FPS with .12g BBs and 300 FPS with .20g BBs. We recommend using only .20g BBs for best accuracy and performance. This is a spring gun and has to be cocked for each shot. It's fast, clean, inexpensive and easily maintained.