AR Sponsor
Posted: 8/4/2015 9:21:30 PM EDT
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In getting ready to start a build for a 243 Winchester upper and would like input for the barrel twist. My Winchester MD 70 stainless has a 22" barrel and 1/10 twist. This combo works well for the 85 grain Sierra bullets that I am shooting. Will a 1/10 twist work just as well in an AR build or is there a better twist? I'll more then likely be shooting 70/75 grain bullets. Maybe some 55/60 grain bullets but not sure yet.
Thanks for any input! |
AR Sponsor