looking for quickload data

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01-09-2022, 09:37 PM
Three O'Three

looking for quickload data

Hi all. Could someone with quickload look up some data for me? I want to find out how much Ap70n powder (might need to use Unique?) with winlr primers in 303 with 167gn cast bullets to get 1000-1200fps. And same powder and primers in 243 with 106gn cast to get same velocity. Thanks
02-09-2022, 01:50 AM
shooternz

Quote:

Originally Posted by Three O'Three

Hi all. Could someone with quickload look up some data for me? I want to find out how much Ap70n powder (might need to use Unique?) with winlr primers in 303 with 167gn cast bullets to get 1000-1200fps. And same powder and primers in 243 with 106gn cast to get same velocity. Thanks

The standard load for Unique/AP70 with cast bullets in medium size cases is 10.0 grains,It has been used for over 100 years so is well tested
Will probably be a bit faster than 1000-1200
02-09-2022, 06:51 PM
Three O'Three

Quote:

Originally Posted by shooternz

The standard load for Unique/AP70 with cast bullets in medium size cases is 10.0 grains,It has been used for over 100 years so is well tested
Will probably be a bit faster than 1000-1200

I don't have a chrony but it does feel much a lot faster than 1000-1200. I might use some colder primers, see if that get the velocity down.
02-09-2022, 09:27 PM
shooternz

Quote:

Originally Posted by Three O'Three

I don't have a chrony but it does feel much a lot faster than 1000-1200. I might use some colder primers, see if that get the velocity down.

You could back it off a little at .3 grain steps, I think you are being the wrong term for the primers Milder would be a better description of non magnum primers.