BenL
John Galt Speaking.
Midwayusa.com has factory VP9 mags not only in stock, but on sale for $37.99. These are hard to find, so scoop 'em up if you need them or are going to pick up a VP9 anytime soon.
http://www.midwayusa.com/product/2391154437/hk-magazine-hk-p30-vp9-9mm-luger-steel-blue
http://www.midwayusa.com/product/2391154437/hk-magazine-hk-p30-vp9-9mm-luger-steel-blue