Too easy. Drop down in projectiles weight to say a 139-140 and use start load data. And if want really light use trail boss and Thier formular....which is basically as simple as finding a std load ,work out it's volume NOT weight,easy as with Lee spoon set. Drop same VOLUME of trail boss on scales and start slightly lower. I'm picking a start load will see you in 7mm/08 region and trailboss be down in 7mm waters levels.
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