posted this before in reloading,semi-auto section,got replys,but wanting to know if it is okay to use reloader 19,22,imr&h4831,other slow burning powders for semi auto ,without ruining the action,rails ,gas system.will be using 130 gr.bullets for deer,antelope,hornady 110gr.v-maxs for coyotes. ive been reloading for 17yrs,first time reloading for a semi auto.7400 270 was always a dream rifle.getting close to having it in my hands from layawaythanks in advance.
