Checkmate is a savings app with over one million users that have saved $$$ on brands like eBay.
The Checkmate extension automatically applies eBay discount codes, eBay coupons and more to give you discounts on products like Plus 2/+2 Magazine Extension/Insert fo GLOCK 17 19 22 23 24 26 27 31 32 33 38 39.
Checkmate users have also been loving these products from eBay.
Users have been saving products like this to their collections.