Dorin Technologies
Dorin Technologies crafts quality aftermarket upgrades for popular weapon platforms like the FN Five-seveN pistol and the FN PS90 rifle. The CAOS Dorin Five-seveN rail cover/optic kit is a solid choice when expanding the targeting capabilities of your 5.7x28mm pistol. The various control upgrades and spring kits for the PS90 promote enhanced functionality/control when operating the iconic firearm.