1. Triggerhappy

    What am I missing on a 100fps SD?

    I have built a Savage rifle in 260 Rem. with a 28" L-W barrel using a similar load to another rifle I have that has a SD of 10fps, yet this one is 100fps. I have anywhere from 2825-2989fps with the same load new prepped brass and weighed everything brass +/- .5gr and trickled powder load to...