I'm also experimenting with modifying some M&P mags and CZ mags to implement in the carbine. You must Minimize the notch from the front on the mag so it is going to lock in. I don't very own any Glocks. When you buy by hyperlinks on our internet site, we https://fernandotlmzh.theblogfairy.com/31391291/fascination-about-ruger-p89-for-sale