Make no mistake that this KWC P226-S5 Gas Blowback Pistol is NOT FOR SKIRMISHING. This is a CO2 powered gas blowback pistol that fires a 4.5mm steel pellet BB. As this is meant for target practice, please check with your local laws if you intend in purchasing this. This has a 20mm lower rail for attaching accessories such as a taclight or laser. This costs US$132.00 at eHobby Asia.