TOP RUGER P89 FOR SALE SECRETS

I'm also experimenting with modifying some M&P mags and CZ mags to utilize from the carbine. You need to Lower the notch from the entrance with the mag so it will lock in. I don't possess any Glocks.I would use Glock branded magazines instead of another copies. Other folks are offered like Magpul. You may try some and see yourself. The Many others