No, you cannot use your Sportsman's Warehouse Store Card everywhere you want, as you can only use it for purchases at Sportsmans Warehouse locations and sportsmans.com.
Even though store credit cards have limited acceptance, they can still be a good deal for brand-loyal customers. The Sportsman's Warehouse Store Card offers accountholders 5 points per $1. The card also has an annual fee of $0, so it might be worth getting for people who shop at Sportsmans stores often.
Here Is an Alternative To the Sportsman's Warehouse Store Card That Can Be Used Everywhere
Sportsmans Warehouse has a different card on the Visa network. Because it's backed by one of the major payment networks, the Sportsman's Warehouse Credit Card can be used pretty much everywhere credit cards are accepted.