Pony Express Firearms was burglarized early Saturday morning according to Parker Police.
Officers responded to a glass break alarm and discovered the burglary just after midnight.
An unknown number of people broke the front glass windows of the store and reached through metal bars to grab two AK-47 rifles, one AR-15 Rifle and one shotgun.
Detectives are working on any possible video surveillance in the area, but have not located any relevant to the case.
Anyone with information should call Parker Police Detective Gary Gerlach at 303-805-6535, or the Parker Police main number at 303-841-9800.