RUGER SR45 FOR SALE - AN OVERVIEW

I am also experimenting with modifying some M&P mags and CZ mags to implement in the carbine. You need to Reduce the notch while in the entrance from the mag so it can lock in. I do not individual any Glocks.I'd use Glock branded Journals rather than the other copies. Many others can be obtained for example Magpul. You may attempt some and find out