Also keep in mind that an accurate 100 yd load might not be so good at 250 yds, be sure to test all loads at all ranges. I never could get a sst to group under 1 1/4" at 100, but at 250 yds, it's close to the best of them(4"). The xtp would group at 3/4" at 100, but closer to 7" at 250.