Thread: Garmin Truth - 284 Win velocity

Originally Posted by Happy Jack

How do you all measure case volume?

I have some 100 gram max. digtal scales I use, as my reloading ones only go to 20g.

Weigh fired cartridge dry, then fill to top with water, wipe any excess water from case, then weigh again. subtract empty weight from full weight (or use "tare" function on scales). Then dry the case over the gas cooker. I'll normally do a couple to check I get similar readings.

I haven't checked if it makes any significant difference with re-sized brass, I figure by weighing fired brass it should give result more applicable to the rifle its being shot in. Not sure if this is what others do or not...