Type: .22 caliber rifle.
Materials: Metal & Polymer.
Weight: 6.5 pounds.
Barrel: 16 inches, metal rifled.
Propulsion: Gun Powder.
Action: Semi auto, single action.
Ammunition Type: .22LR caliber rimfire.
Ammunition Capacity: 22 round magazine.
FPS: 1,138 - 1255.
Trigger Pull: The trigger pull on the ISSC MK22 is fairly short with a bit of noticeable break point in it but overall is pretty light. I get the feeling that this may be a striker based action because of the slight tension before the release.