For those who use these little cartridges, you know how quickly the price can add up. [steve] takes us through the process of adding a valve to a spent cartridge so it can be refilled.

【Great Fit】Hard travel case for Crosman 丨Umarexss丨Leland 12-Gram 8-Gram Powerlet Cartridges. (Note: For sale is case only, co2 cartridges are not included.) 【Quality Materials】The case ...