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An example of such a tool is the Hornady bullet concentricity tool that I've blogged about HERE. Additional Info seating die (middle) shown here is a terrific tool that can ensure minimal bullet runout and maximum concentricity Image copyright 2011 Ultimate Reloader Experiment While beginning with others' published loads is a terrific starting point, reloading accurate rifle ammunition constantly requires some experimentation.
Example: Determined optimum COL = X (. 020 off lands) 5 cartridges, COL = X +. 020 (on lands) 5 cartridges, COL = X +. 010 (. 010 off lands) 5 cartridges, COL = X (. 020 off lands) 5 cartridges, COL = X. 010 (. 030 off lands) Following this filling session, take your rifle to the variety, time your shots, take your time, and compare the accuracy of each group of 5 shots.
When you discover the optimum seating depth for that bullet, you can then fill some cartridges and utilize the powder charge as the variable to alter. It might take a while, however by utilizing this approach, you will be able to create ammo for your rifle that is most likely to be * way * more precise than any shop bought ammunition.
25 to 0. 560 at 100 backyards range As you can see here, my first reloads for my Savage 116 30-06 rifle led to an extreme reduction in group size. On the next trip out (with fire formed brass) I saw an additional decrease, down to 0. 360 for three chance ats 100 lawns, that was incredible! While far from detailed, these 5 fundamental actions and factors to consider will get you begun in the best direction for accurate loads at the bench, or out in the field.
December 24th, 2017 Smart Reloading Tips How to Prevent Typical Issues Here'a beneficial short article by Sierra Bullets Media Relations Manager Carroll Pilant. This story, which initially appeared in the Sierra Blog, covers some of the more typical ammunition problems that affect hand-loaders. Some of those issues are: extreme OAL, high primers, and improperly sized cases.
Pilant discusses how to prevent these common problems that result in "headaches at the range. I had some gentlemen at my home last fall getting rifle absolutely nos for an approaching elk hunt. One was using among the. 300 brief mags and every 3rd or fourth round would not chamber.