I am not sure there is a bi-mart in washington.
Bi-mart is great for buying guns and ammo. Good prices and good name brand products. Occasionally they have sales that make it even better. For hunting rifles and shotguns they're my number one pick.
There are at least 2 in Vancouver. One at E 4th Plain & SR-500, NE corner of the intersection, and another on Falk Rd. just north of 4th Plain.