Normally, the military discounts programs on some occasions of the year. In order to know whether it is offered or not is depended on Killstar.com's policy sales, you can visit the store now for your reference.

In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

To avoid this problem, you should check out carefully Killstar.com promo code before that promo code could be expired, some promo codes are tied to a minimum purchase, a first-time purchase, or tied to geography, and other reasons.

Yes, it has ever. It may not be available now, but it is completely possible for loyal customers of Killstar.com to get it by tracking all of its promotion programs.

The sitewide discount from Killstar.com is applied on certain purchases. For Year-End Deals, the store may have its own requirement to offer you a sitewide discount.