RUGER SHOTGUNS FOR DUMMIES

I'm also experimenting with modifying some M&P mags and CZ mags to use from the carbine. You must Slash the notch while in the entrance of the mag so it's going to lock in. I don't possess any Glocks.I'd personally use Glock branded Publications instead of another copies. Others are available such as Magpul. You could possibly try out some and find