The SDS Imports Radikal NK-1 is a Turkish made, magazine fed, semi-auto, 12 Gauge bullpup shotgun with a 19" barrel and 3" chamber. This tactical shotgun features an AR style charging handle and a full length Picatinni rail on top with low profile flip-up sights. A Picatinny rail under the forend and M-Lok slots on the sides provide ample space for the accessories of your choice. The polymer stock of the NK-1 has an adjustable cheek rest and large rubber pad to reduce felt recoil. The Radikal NK-1 comes with a three piece choke tube set (one is pre-installed) and uses standard 1919 style magazines. (1) 5 round magazines included.