All of the ammunition lots Iv put over a reliable chrony have showen poor ES. The current lot of cci subs are in the 40-50 fps range so vertical spread is inevitable at any decent distance. The RWS target Im using at present is better but still not good. Ill try some higher grade match ammo next order, R50 or top end ely
Are you sorting on rim thickness or lenght etc to try and improve it?
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