Probably a dumb question but I couldn’t find it in the search but are the magazines listed on KRG’s website steel or polymer? The material is listed as N/A so just wanted to make sure before I purchased one. I have a polymer Pmag and the feeding is pretty unreliable so I was wanting to try a metal mag and since I have an X-ray chassis and love it thought I’d give those mags a chance if they’re metal. Thanks