Forums › Forums › General Discussion › T3 Varmint Stainless .223 8 twist loads › Re: Re: T3 Varmint Stainless .223 8 twist loads Larkin Moderator May 6, 2019 at 4:40 pm 296 Bullseyes For 77 grain smk’s I use Vihtavuori N140 the N5 powders are double based and can give slightly more pressure
