Reloading for the 1891 Argentine Mauser – Part 3, by Tunnel Rabbit
(Continued from Part 2.) Sizing the Brass to the Chamber Assuming we have had a gunsmith evaluate the rifle, we should also fit the case to the chamber by backing out the die a full turn so that the shoulder of the case might be more than 1 to 2 thousandths of an inch longer. This process will compensate for the generous head spacing that exists in military actions coupled with the original military barrel, and remove any remaining and unneeded head space variance out of a re-barreled action. Accuracy might also be improved. The bolt should not close without …