I dont know anything about mausers. Its stamped 1938,i was told its Turkish and i believe its 8mm. shooter quality not collecter grade. Looking to trade for ammo 44mag, 357, 30-30 mainly but will do 556, 9mm, 308, 22lr or trade for exps2 eotech. Will trade for lever guns with cash on my end. Send me your number for pics. Thanks