![]() ![]() Reminiscent of the black-powder era, the GP90 used a heeled bullet, rebated at the base to fit in the case mouth, in the manner of the. ![]() round-nosed, steel-capped, lead bullet with an exposed paper-lubricating patch to minimize barrel wear. ![]() When the French started a new international small-arms race in 1886 with the smokeless powder 8x50mm Lebel, Schmidt’s rifle looked like the best candidate the Swiss had for adapting to the new type of ammunition.īy 1890, the Swiss settled on Rubin’s new 7.5 x 53.5mm cartridge, designated the Gewehrpatrone 1890 (GP90). ![]() In 1885 it was being tested with the innovative, smallbore (7.5 and 8mm) metal jacketed bullet, black-powder, cartridges developed by Major Eduard Rubin. The rifle was designed by Colonel Rudolf Schmidt. The M1889 rifle and smokeless GP90 cartridge were Swiss born and raised, the products of the imaginative minds of two Swiss Army officers. It featured a fast, straight-pull, bolt-action a 12-shot detachable magazine with a cut-off to allow single loading it could be fully loaded in three seconds from a pair of easy-to-use, six-round, disposable, charger clips made of resin impregnated cardboard edged with metal the muzzle was deeply crowned to protect it from damage, and the full-length stock and handguard was designed to minimize changes to bullet impact due to barrel deflection by generous inletting and fitting a loose brass bushing at the front. It didn’t make it to the troops until 1891. ![]()
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