The whole 'Unique not metering well' issue is a puzzle to me. I've never had any problem with Unique not metering well through either of my two powder measures, a Dillon and an RCBS. Goes back to 1974 or so when I first started reloading .45 Colts. Maybe others are more persnickety in their charge weights but I've never found that I could tell any difference between weighed Unique loads and those thrown with a powder measure.

When working up loads, I used to weigh charges, keeping them as close to a given value as possible, working in .1 grain increments. What I discovered was, this is a BFWOT, at least for me. I could tell no difference on the targets.

In a big cartridge, such as the Colt, 1/2 grain increments are plenty good and so are thrown charges.