Anyone used Win WXR????

[rifletuner]

I normally shy away from Win powders, but this one looks like it might be a winner. According to the profile written in the April Handloader magazine, the powder is made in the Bofors plant in Sweden and is an extruded powder. Anyone tried it? Any idea of roughly what it compares to in burning rate? I would be particularly interested to know if it is suitable for the 300 Wby or improved versions thereof.

Thanks

Fergus