AR gun owners have the opportunity to hone their skills during a course taught by Green Ops at the NRA Range in Fairfax, Va., on Sunday, July 12, 2015, from 6 p.m. to 10:30 p.m. Developed to help people improve their carbine-handling skills, the one-day course, open to the public, will cover everything from basic marksmanship to advanced drills. Visit www.Green-Ops.com for more info.