NOT KNOWN DETAILS ABOUT WINCHESTER WSR PRIMERS

I just checked out my IMR data booklet. Sure, you are able to, but they gives you about 1245 fps and 11200 psi. If you prefer a load extra like what you've been loading Using the WWs back off a couple of fifty percent a grain, otherwise, yes, You may use them in THIS application. However , you are getting the same functionality as you would have be