FIREARMS. FRANCE. Model 1842 T infantry rifle transformed into a carbine by the addition of a rise and having a barrel of 103 cm, walnut mounting with badge "MI", marked "Tulle", barrel rifled round with short sides with the thunder punched of the controllers, twice matriculated, tail of breech engraved "M 1842 T car.dated 1851, frog with graduated scale from 250 to 900 m, rear lock with hammer marked "Manufacture Nationale de Tulle", brass firearm guard, iron ramrod. L: 142 cm, barrel: 103 cm. ABE Prototype rifle with the characteristics of a shotgun but modified into a carbine with a barrel fitted with deep rifling and a rise enabling the rifle to be fired at 900 m.