NOT KNOWN DETAILS ABOUT WINCHESTER 209 PRIMERS SHOTSHELL

I just looked at my IMR data booklet. Yes, you may, However they provides you with about 1245 fps and 11200 psi. If you would like a load a lot more like what you have been loading Along with the WWs back off a few 50 % a grain, usually, Sure, you can use them Within this software. But you are receiving the exact efficiency while you might have bee