Standard Magazine: Standard magazine that comes stock with the Glock 17 Training Pistol.
Defense Quick Piercing Magazine: This magazine let you load the co2 cartridge in the magazine without puncturing it until it is ready for use. It takes less than a second to puncture by depressing the button at the bottom of the magazine. This is ideal for storing way the unit for use in an emergency defense use.
If you have a problem completing the order, you can order this item at MCS using a standard credit card https://mcsus.com/collections/defense-security