Enjoy your rifle for many years and hunts. The 7.65 Argentine cartridge is equivalent to the well loved 300 Savage & close to the. But a load found into today's reloading books are safe for most good condition Mod 1891 actions. Keep the pressure down as the Mod 1891 actions are not strong as the M98 actions. Q: Will this work on a 1891 argentine Mauser This question doesnt have any. Too many years have passed to remember the loads. K98 98 Rifles - Includes Scout Rifle Scope Mount Rail + Rings. 313 dia would do 1' 3 shot groups at 100 yds off bench and sandbags with my Bushnell Banner 1-4X scope. FMJ bullets military surplus ammo would shoot 1/1/2'-2' Handloaded by a friend. $18.95, semi sporterized or should I say cut down military stock and barrel, polished bolt, military trigger, many available in a large barrel at a big discount store that Saturday. My father bought it for me for my 1st deer rifle. I owned one when younger, had the bolt bent & receiver drilled and tapped for scope mounting. The Mod 1891 7.65 Argentine mauser are excellent rifles often.