Six rounds a second
The U.S. Air Force symbol adorns the lower receiver for a JP Enterprises CTR-02 rifle that U.S. Air Force 2nd Lt. Casey Ryan, 55th Security Forces Squadron Officer-in-Charge of Logistics, uses when he represents the Air Force as a member of the official Air Force Shooting Team. The Air Force Shooting Program sets the standard for marksmanship within the Air Force. (U.S. Air Force photo by Josh Plueger)

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Photo by: David Hopper |  VIRIN: 160928-F-XV591-009.JPG