snow white Posted February 25, 2015 Report Share Posted February 25, 2015 Hi lads this a group I shot this morning was wondering if you can advice me how to close it up.the rifle is a new heanel 223 22 inch barrel 1/12 twist to the lands is 1.934 on this rifle. The bullets are 55 grain vmax 23.3 vhtiav powder. The target was hundred yards as you see from photo I have set the heads back to give me some jump all measurements are from base to ogive your advice wood be much appreciated thank you. Link to comment Share on other sites More sharing options...
srvet Posted February 25, 2015 Report Share Posted February 25, 2015 Google Dan Newberrys OCW and follow the instructions. Start adjusting powder first until optimal charge weight is identified, then and only then adjust seating depth. Just my way, I'm sure others will have different ways Link to comment Share on other sites More sharing options...
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