.300 Win Mag & QLOAD

[Coolhand]

Guys , would appreciate the advice of QL users , my buddy wants me to run QL for his .300 W Mag , a cartridge I don't shoot. QL has 4 options of the .300W to choose from in the cartridge list.
Which one do I run ? BTW , I am just getting my head around QL so forgive the novice question.

Mike.

 

[Dgd6mm]

The letter stands for case brand. It would even be better if you knew actual H2o capacity. This would make QL prediction more precise.

 

[Berger.Fan222]

Measure the H20 capacity and pick the one that is closest.

 

[Dgd6mm]

You actually change the default to the actual H2o of the case.

 

[Coolhand]

So I would select "@" as my buddies cases are RWS and not listed and input the h2o content ? Never occurred to me that the letters referred to case brands, thanks for the heads up Guys.

Mike.

 

[dewey7271]

It will work even better if you have 10 or so over the chrono and can adjust burn rate to match what you're actually seeing.
With that, case capacity and a little other info you can get some pretty valid info.
Here are a few QL videos that may help

 

[Zero333]

W = Wichester brass
F = Federal F.C. brass
N = Norma brass
R - either Remington or rws but can't confirm cause I do t have those cases to compare the H2o too.

If your friend is not using one of those cases....
Tell him to take a fired case with the old primer still in it or a resized case and prime it with a spent primer and check the H2o capacity.

 

[Hoosier]

Choose the cartridge that is listed a 300 wm SAAMI. The selection is the standard.

 

[Zero333]

RWS cases are usually heavier than other commercial brass, so I would choose 300winmag "R" (88.0gr H2o) in QL just to be safe.