This spare round holder is ideal for customer installation. Comes complete with two mounting screws so that it can be installed anywhere on the stock.   Machined to provde a 35-degree angle away from the mounting surface to allow easy access to the spare rounds.  Available in Red or Blue (or any 2-tone combination of those colors). Please specify color preference.  Mounting hole spacing matches older style 1-piece plastic Anschutz magazine cassette mounting hole spacing. Depending on the age of your stock, this cassette was installed with either 2 machine screws or 2 wood screws.  If it is the former you will need to replace the factory machine screws with 2 M5x0.8x25mm socket head cap screws.   Designed and manufactured in Montana, USA.