NEW STEP BY STEP MAP FOR WINCHESTER PRIMERS WLP

Though we (me?) from time to time poke enjoyment and jabs at Hodgdon/IMR for declaring "just use another men data for the new Rainbow shotgun powders", I might post which was likely a fairly good conclusion by them to try and do/state that.I am basing that over a apparent reduction in powder residue remaining in the barrels of my O/U right after us