10mm glock 40

I broke down and finally ordered a Blue Label G-40 MOS. Paid for and waiting for it to come in. I got a call from the shop last night saying there were none readily available. I'm guessing production on the new 43x and 48 is priority right now. I wonder how long I'm going to have to wait to...

Magazines are very hard to lock into place, full or empty...you really have to slap the tar out of it to hear the and feel the click, magazines also likes to fall out after the first few rounds. Mags are fine, tested all in my glock 20 and it runs like it should. also swapped out magazine...