With the nation’s ever-growing number of gun owners, and self-defense training of paramount importance, shooting ranges are busier than ever before. So busy, many shooters are now avoiding the crowds by building their own backyard and do-it-yourself shooting ranges.

And tactical shooters lead the way, creating their own shooting venues for sighting-in, general practice and run-and-gun drills.

Which means that you, the tactical retailer, have a chance to score some added...