Sierra says the twist needs to be 1x10 or faster. I shot SMK 69's for several years in a 1x9 with no issues.Just an FYI, not sure of your twist rates. I couldn't get them to stabilize in a 1/9 twist Howa 1500 .223.
Just an FYI, not sure of your twist rates. I couldn't get them to stabilize in a 1/9 twist Howa 1500 .223.