Griffin Armament MK1 PSD Features The Griffin Armament MK1 PSD operates on a gas system giving it the reliability and recoil management characteristics associated with the AR platform while remaining configured as a pistol. Chambered in .223 Wylde the pistol is capable of safely firing both .223 Remington and 5.56 NATO ammunition giving shooters flexibility in ammunition selection. The 9.5 inch barrel is threaded 1/2x28 making it compatible with a wide range of muzzle devices and suppressors for shooters who want to add sound and flash reduction. An ambidextrous safety selector ensures the pistol is easy to operate for both right and left handed shooters. At an overall length of 26 inches and a height of 4 inches the MK1 PSD maintains a compact maneuverable profile well suited to close quarters use or vehicle carry. Weighing 7.3 pounds the pistol balances the weight of a capable semi auto platform with the portability expected of a pistol configuration. Feeding from a 30 round magazine the MK1 PSD gives the shooter ample capacity before a reload is needed. For shooters seeking a rugged versatile AR pattern pistol in .223 Wylde the Griffin Armament MK1 PSD is a dependable option for sale at GrabAGun. Griffin Armament MK1 PSD Specifications Manufacturer: Griffin Armament Model: MK1 PSD Caliber: .223 Wylde Capacity: 30 Rounds Action: Semi-Auto Operating System: Gas Barrel Length: 9.50 Overall Length: 26 Height: 4.0 Safety: Ambidextrous Safety Selector Thread Pattern: 1/2x28 Weight: 7.3 lbs Available At: GrabAGun