I shoot a custom Rem 700,Shilen 27" barrel, 1 in 9 twist. I find that H-1000 is superior for accuracy, while giving generous velocities. 168gr. Burger VLD hunting bullet, CCI-250 primer, 71.5gr H-1000 @ 3075 FPS. If you have trouble getting tight groups with Federal primers, try CCI, and see if...