This S&W M&P (Military & police) 177 semi automatic BB firing Co2 pistol fires at up to 400 ft per second and has a 19 shot magazine. This has a metal (fixed) slide with a sliding handle easy load Co2 system and an under muzzle 20mm weaver type mount rail. Brilliant fun. You should get around 65 shots out of a single Co2.
Don't forget to order your Co2 capsules and 177 Copper/Steel BB's with this product.