Business Insider reports that compared to the same period in 2019, US gun sales skyrocketed in April and May.<br />Analysts say the ongoing civil unrest across the country could be behind the surge.<br />Furthermore, a win by presumptive Democratic presidential nominee Joe Biden in November, and resulting stricter gun laws, could also boost demand.<br />The largest gun manufacturers have easily outperformed the benchmark S&P 500 index since its most recent low on March 23rd.<br />Smith & Wesson Brands is up 72%, with Sturm Ruger and Vista Outdoor up 52% and 40%, respectively, compared with the index's 37% gain.