I'll be more clear mine 22-250 is in a 1B standard 26" barrel with a 14" twist barrel thus doesn't shoot heavy bullets well unless you drop the velocity way down. It wasn't made to do that. Same model 1B in a 300 win has a 1 in 10" twist. And with 165 gr speer boat tails it too stacks them on top of each other. Damn my luck for picking a good rifle.