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Dufus · January 20, 2019, 01:16 PM

I will give my example.

Most of my 30-06 brass is WW and REM or R-P (same stuff).

The internal volume of the REM/R-P brass is less than the WW.

In order to get the same workable loads and velocity, I have to reduce the powder charge by 3.0 gr. with the REM/R-P brass.

If I load both the same powder charge, the REM/R-P brass quickly creates over max charges for my rifles.

This brass is from mostly the 1970s. I have a lot of both.

January 20, 2019, 01:16 PM	#5
Dufus Senior Member Join Date: December 10, 2014 Posts: 1,965	I will give my example. Most of my 30-06 brass is WW and REM or R-P (same stuff). The internal volume of the REM/R-P brass is less than the WW. In order to get the same workable loads and velocity, I have to reduce the powder charge by 3.0 gr. with the REM/R-P brass. If I load both the same powder charge, the REM/R-P brass quickly creates over max charges for my rifles. This brass is from mostly the 1970s. I have a lot of both.