Factory Glock mags are cheap enough, especially compared to SIG, Beretta, etc. No argument there. But when you compare the factory Glock 17 mags @ $23 a pop, to the KCI's or Magpul's at $10 a pop (GunMag Warehouse), that's the "why" about it. Two for one is a pretty good deal, especially for mags that work just as well as the factory mags do.
I put the factory mags that come with the guns aside and use them for my carry mags. The Korean and Magpul mags I use/abuse for practice. Keeps the factory mags fresh and alleviates the worry of something going wrong due to a beat up or worn out mag.
I also like to have a bunch of mags for each gun, mostly just so I don't have to keep loading them at the range. Im there to shoot and not load mags. I load them up before I go, and it makes things a lot easier.
Now, if I could just get the brass to all fly over into a nice little pile in one spot, no matter where I am when the gun goes off, Id be golden. Loading mags gets to be kind of a pain, emptying them is fun, and scrounging the brass after kind of sucks. But its all good, at least Im getting to shoot.
