I have up to 4 of these I would like to trade strait across, 1 for 1. I want to trade my G23 hi-cap mags for your G22 hi-cap mags. I will trade 1 or all. OR, I will trade my gen 3, G22 mags for your Gen 4 G22 mags. (yes gen 3 mags will work in gen 4 guns as long as the right hand configuration is maintained) Also, I will add a pair of Blade Tech, Small MOLLE-lok's for each mag traded. Shipping or FTF in Portland/Tigard/Oregon City area.