In 1891 Argentina adopted a slightly modified version of the Turkish rifle. It was improved with a strengthened bolt.
The caliber of this rifle was also 7.65 mm or .301 inch. The length of the rifle was 48.5 inches, and the weight without bayonet about 8.5 pounds. The bayonet adds 1 pound of.weight.
The arm could be single loaded or loaded with the Mauser clip of 5-cartridges in standard fashion. The cartridges were retained in the standard magazine in single line.
The cartridge was 3.07 inches long, and weighed about 1 ounce. The bullet was 1.2 inches long, lead with a cupro-nickel jacket and weighed about .5 ounce. The powder charge was about 40.9 grains of smokeless originally giving a muzzle velocity of about 2066 feet per second with a chamber pressure of about 39000 pounds to the square inch. Maximum bullet diameter .311 inch.
The rifling was 4-grooves to the right, one turn in 9.8 inches. Sights were graduated to 2000 meters.
Slight modifications of this rifle and of the ballistics of the cartridge were made, but essentially they remained the same, though in recent years modifications of the German Kar. 98 have also been used.
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