I am also experimenting with modifying some M&P mags and CZ mags to implement within the carbine. It's important to cut the notch while in the entrance of your mag so it's going to lock in. I do not own any Glocks.I just paid out $300 for a blue P85 in holster worn problem and really feel it absolutely was a fair offer, even as a Ruger junkie I've … Read More