The DMK22C is a dedicated .22LR semi-automatic rifle platform that is optimized for realistic training accuracy and that offers nearly limitless customization. The DMK22 features a patented barrel adaptor that allows for the use of aftermarket 10/22 barrels capable of accommodating any type of performance requirement. The DMK22 employs a patented bolt lock to keep the action open when the magazine is removed allowing for the same reloading manual of arms as a centerfire AR-15. The DMK22C is compatible with nearly all AR-15 upgrades and furniture.