Mauser 1910 - 1934 .25 ACP 9 Round Rd Blued Steel Magazine USA Made 25 Mag Mags. MAUSER 1910 – 1934, .25ACP, 9 RD: ORIGIN – GERMANY CALIBER – .25 ACP WEIGHT – 14.8 OZ. OVERALL LENGTH – 5.37″ LENGTH OF MAGAZINE – 3.4″ Modification of the 1910 model which included a new side plate that was removable after the slide was removed. A spring retainer was incorporated into the takedown pin. The magazine has a large base plate that covers the bottom of the grip frame. Most other parts are interchangeable with the 1910. Condition is "New". Shipped with USPS First Class.