I am also experimenting with modifying some M&P mags and CZ mags to implement within the carbine. You will need to Slice the notch during the entrance on the mag so it can lock in. I don't possess any Glocks. When you buy via inbound links on our website, we https://ruger-sr45-for-sale89001.therainblog.com/31158609/5-simple-techniques-for-ruger-shotguns