Description Improve the performance of your Pistelle X-68 or IntruBuster Gen 2 CO2 launcher by increasing the size of the CO2 chamber behind the projectile in the breach. This easy to install modification to your Pistelle X-68 increases the volume of CO2 gas discharged with each trigger pull. Improve the performance of your Pistelle X-68 anywhere from 10 to 25% depending on the length of the barrel you have installed (longer barrels see a greater percentage increase). CO2 capacity increase per shot is 13 milliliters. Designed to get 8 shots out of a 12g CO2 cartridge; perfect for an extended magazine.






