

These documents show a semi automatic rifle, the Sistema MR1932.
This weapon was chambered in 7x57mm Mauser just like most Spanish weapons, it utilised an internal double box magazine allowing the gun to hold 10 rounds, the gun was loaded through stripper clips.
The documents say "por las comandos"
This weapon was intended for Commandos, or as also described the most experienced shooters who would be given this weapon to bolster the firepower of regular units, whom relied solely on the Mauser Model 1893.
The documents also say "y ramirez arellano y construido"
The rifle was designed by two officers at the Oviedo arsenal by the names of Mariñas and Ramirez de Arellano in 1932.
One is shown here - https://en.wikipedia.org/wiki/Marion_Fr ... e_Arellano