Choosing a Practical Antique Rifle – Part 3, by Tunnel Rabbit
(Continued from Part 2.) Reloading for a Chilean Mauser Converted to 7.62 NATO In my experience reloading for another Ludwig Loewe Chilean Mauser, I found good accuracy and top velocities that duplicated some of the most accurate 7.62×51 NATO ammunition using IMR3031 for both 150 and 165 grain bullets. Using military brass, somewhere between 38 to 40 grains of IMR3031 under a 165 to 168 grain bullet, will duplicated the old Navy Match Load. A maximum of 42 grains of IMR3031 will duplicate 7.62×51 NATO trajectories with good accuracy, and that also happens to be close to where these rifles …