Padded Leather “lace-on” cheek piece. Originally for the M-1 Sniper rifles. These are a enormously helpful accessory which can be used effectively with all U.S. service high powered rifles as well as a whole range of European military rifles. Mauser’s, Mosins Nagants etc. Definitely helps take the punishment out of shooting High Power Rifles. Top grain cowhide, marked on back “MRT”, new, for left hand shooter’s.