In light of the current politics, I thought I'd mention that Midway has 33rnd mags on sale at 10% off.
https://www.midwayusa.com/product/1...-17-19-26-34-9mm-luger-33-round-polymer-black
https://www.midwayusa.com/product/1...-17-19-26-34-9mm-luger-33-round-polymer-black