NOT KNOWN DETAILS ABOUT WINCHESTER 209 PRIMERS SHOTSHELL

Whilst we (me?) in some cases poke entertaining and jabs at Hodgdon/IMR for declaring "just use another guys data for The brand new Rainbow shotgun powders", I'd submit which was probably a fairly good choice by them to complete/mention that.I'm basing that on the obvious reduction in powder residue remaining inside the barrels of my O/U right afte