I'm looking at pistol caliber autoloading carbine such as a Px4, Keltec sub 2000 and the hi point. As far as i can gather only the Keltec takes glock mags. Does anyone know of any others that take glock mags?
If you already have a Glock, the MechTech carbine upper takes G21 mags, and KRISS has a kit to extend those to 25 rounds. The ATF just deemed them legal...finally.