Stovies Posted August 4, 2018 Report Share Posted August 4, 2018 I purchased some RS40 for use in my .223, 50-55 grain bullet weights, anyone using this combination? Link to comment Share on other sites More sharing options...
Del Posted August 16, 2018 Report Share Posted August 16, 2018 Yep shot my first bullets last night RS40 69gn tipped sierra matchking working my way up from 21.3 gn not checked speeds over chrono yet done 21.4 , 21.6 , 21.8 and 22.0 so far all group with in an inch at a 100yds cheers del Link to comment Share on other sites More sharing options...
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