Derya Silah Sanayi ve Ticaret Limited Sirketi

MK-12 is based on an AR-15 platform 12Gauge Mag Fed Semi-Automatic gas operated shotgun, 2 ¾ and 3inch chamber. Technical Specifications; Barrel Length: 50cm/20inch Overall Length: 102cm/40inch Overall Width: 4cm/1,60 inch Overall Height: 23cm/9inch Empty Weight: 3,35kg/7,39lbs Loaded Weight: 3,85kg/8,49lbs Barrel Options: 1- 24cm 2- 35cm 3- 43cm 4- 50cm 5- 61cm About the Parts of the Gun: 1- you can detach lower from upper receiver by removing the main pins. 2- The main spring is located behind the bolt. 3- BufferBolt System: Specially developed system to avoid damages in the receiver, caused by recoil. Patented by DERYA 4- The barrel shroud covered by black nickel 5- The receiver, the forend and the barrel shroud are made of 7075 aluminum and the barrel is made of 4140 steel. The pistol grip and the stock are made of polymer. 6- The barrel is smooth_bore and the gas operates in the barrel. 7- Adjustable Cheek Riser (Can be adjusted to 10 different height levels).