I'm also experimenting with modifying some M&P mags and CZ mags to use inside the carbine. It's important to cut the notch while in the entrance with the mag so it will lock in. I do not own any Glocks.I just paid out $three hundred for the blue P85 in holster worn problem and feel it had been a fair deal, at the same time as a Ruger junkie I have … Read More