Reloading for the 1891 Argentine Mauser – Part 4, by Tunnel Rabbit
(Continued from Part 3.) In my opinion, regardless if the chambering is .300 Savage, or .308 Winchester, or .30-06, using a temperature-stable powder at charge that delivers a muzzle velocity of 2,150 fps to propel a .308 150 grain round nosed bullet designed for the .30-30 is the safest practical load I could put together and recommend if the reloader is primarily interested in safety. As an example in the extreme to illustrate that a larger case capacity is more desirable in antique actions. If it were chambered in .30-06, 35 grains of IMR3031 behind a 150-grain round nosed bullet …