The two big gun stocks, Smith & Wesson (NASDAQ: SWHC) and Sturm Ruger (NYSE: RGR), went on a wild ride over the past 12 months due to mass shootings and threats of tighter gun regulations. Smith & Wesson surged from a 52-week low of $18 to a high of $31, then tumbled back to the low $20s. Ruger hit a 52-week high of $78 back in April, but plunged to a low of $47 before rebounding to the low $50s.