It was developed by the chief technician Salvatore Carcano at the Turin Army Arsenal in 1890, and was originally called the Modello (model) 91 or simply M91. Successively replacing the previous Vetterli-Vitali rifles and carbines in 10.35×47mmR, it was produced from 1891 to 1945.

The Moschetto mod.91 per TS was the only Carcano gun that needed a change of sights afte the adoption of Solenite cartridges in the early 1900s. This was applied with the Circolare N°281 of 30 August 1903, that solved it just by lowering the top of the front sight blade by 0.5 mm.

Lee Harvey Oswald's Carcano. Paratrooper Carbine. SERIAL CHARTS. Mod. 91 Serial Charts. 7.35 Mod. 38 Serial Charts. 6.5 Mod. 91/38 Serial Charts. Mod. 41 Serial Charts. Quartermaster Journals. PRODUCTION. Arsenals and Factories. Inspector codes. The Men behind the Rifle. ... MOSCHETTO MOD. 91 PER T.S. (MODIFICATO)

In order to give more solidity to the bayonet mount of Cavalry Moschettos mod. 91, in both positions, it is adopted a new model of bayonet latch, to replace the one actually in use. Furhtermore it is adopted, for the same Moschettos, a handguard almost equal to that in use with the Fucile mod.91.

The Modello 91 was the standard infantry rifle issued to Italian troops. It was first adopted by the Italian army in 1892 and served through two world wars. It could carry six rounds of ammunition which were held in an integral magazine.

The caliber of a Carcano, actually just the bore diameter, can be found imprinted either on the Mod. 38 and Mod. 91/38 fixed rear sight, or as a later proof mark on the barrel's muzzle end (United Kingdom proof) or breech end (German proof).

Oct 28, 2020 · The 1891 rifle saw service all through World War I in the Italian Army, but other troops needed a shorter gun that could be wielded easier, and in 1893 the Moschetto Modello 91 da Cavalleria,...

You can see regularly the Fucile mod.91 popping up from the piles of surrendered guns by german forces in the last desperate days of WW2. No Fucile mod.91 seems to have been converted in 8x57JS, probably for its bulkiness and overall age.