Since the Orlando nightclub shooting on Sunday, gun sales have rapidly increased throughout the United States.

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Adventure Outdoors Owner Jay Wallace told Fox Business Networkâs Stuart Varney that sales of AR-15s and other firearms have âreally kicked upâ since Sunday. AR-15âs may look like military rifles but they are actually semi-automatic guns, which means they can only fire one round with each pull of the trigger. By contrast, military-style guns have the ability to fire multiple rounds with one pull of the trigger. The âARâ in AR-15 actually stands for ArmaLite rifle, named after the company that developed it and does not stand for âassault rifle,â according to the National Shooting Sports Foundation. Wallace claimed that he has sold more than 15 AR-15âs per hour and may know the reasons as to why there is such a rise in sales. â[People] are afraid that the government is going to take [guns] away and there are folks that are in fear because of the times that we are living in today and those are two big reasons,â he said.

Wallace said some people buy the guns for profit gain as well.

âThere are also those that feel that the guns are going to go up in value so they buy them for investment,â he said. â[AR-15s] start out around $500 and go up to $3,000,â he said

Wallace said the last time he had seen such a surge in gun sales was when President Obama was first elected into office.