1. Firstly, pinpoint the AirGunDepot discount code that you find appealing on this page and click on Get Code, situated on the right flank of the title.
2. Next, you'll witness the offer code being showcased and auto-copied to your clipboard.
3. Following this, you'll be required to go back to the checkout page of airgundepot.com, spot the promotional code box, and input the code you copied earlier.
4. Ultimately, by clicking 'Apply Code', you will be able to see the discount amount on your existing order.