The UTAS XTR-12 is a combat shotgun of Turkish origin manufactured by UTAS Defense. It is designed as a weapon for police and civilian use, best suited for tactical work, practical sport shooting and home defense, although it also can be effectively used for hunting like any other 12 gauge shotgun. It is designed with US shooters in mind, who are very familiar with AR-15 / AR-10 style rifles, their controls and handling. The UTAS XTR-12 is based on the AR-10 platform and, in fact, uses AR-10 style lower receiver which is compatible with DPMS style accessories. The upper receiver of the XTR-12 is a proprietary design, which is compatible with AR-10 DPMS-style lower receiver. Therefore, XTR-12 can be easily converted from shotgun to rifle configuration and back with use of upper receivers in