Checkmate is a savings app with over one million users that have saved $$$ on brands like Amazon.
The Checkmate extension automatically applies Amazon discount codes, Amazon coupons and more to give you discounts on products like Cyelee WOLF2 for Astigmatism, Circle Dot Sight, Micro Red Dot Sight for RMR Footprint, 3MOA Dot and 64MOA Ring Reticle.
Checkmate users have also been loving these products from Amazon.
Users have been saving products like this to their collections.