Pellet trap and BB trap Crosman One trap for ALL of your air guns! Crosman 850 Pellet Trap. The Indoor/Outdoor Pellet and BB Trap features a ballistic triple Safe-T-Curtain design, combined with a heavy gauge galvanized steel backstop. This design allows it to be used for Both BB's and pellets, indoors and outdoors. The traps design slows projectiles to a speed that allows them to be contained internally - no bounce backs. The Safe-T-Curtain lasts for thousands of shots, and is easily replaceable. Rated for use with Both BB's and pellets. Size: 10" X 9-1/2" X 8"Deep