We put some SMK 150gr through my brother's. They didn't pattern well. The Nosler 120s with the ballistic tip group the best by far. If you want to go over 120gr with that slow of a twist rate the round will never stabolize. You really need a tighter twist to increase the bullet weight.Originally Posted by Flouncer
Northlander has some barrels with tighter twists for about 250 I believe.
Good luck,
Merritt
SGT USMC vet.
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