Mauser C96: https://thumbs.dreamstime.com/z/%D1%81%D1%82%D0%B0%D1%80%D1%8B%D0%B9-%D0%BF%D0%B8%D1%81%D1%82%D0%BE%D0%BB%D0%B5%D1%82-%D0%BD%D0%B0-%D1%82%D0%B5%D0%BC%D0%BD%D0%BE%D1%82%D0%B5-103170125.jpg