The first run of 300 sold out in a few days
we have them back in stock, ready to ship tomorrow
The more you order the cheaper they get
you can also find them at the following dealers
Areios defence/ north tactical
one shot tactical
SFRC
CDN Gunworx
Club de Tir Ville St-Pierre
More info follow the link
http://www.sjhardware.com/product-p/g17-mag-base.htm