I think that short sellers are right most of the time. The most obvious shorts tend to have very high short interest and/or borrow costs. I try to avoid going long heavily shorted stocks because the short sellers probably know something that I don’t.
The borrow on RGR is a whopping 80.5% (on Nov 2 it was “only” 62%). If RGR was about to enter bankruptcy like ATPG or STP or CMEDY, I would understand the borrow being so expensive. But I seriously doubt that RGR is about to enter bankruptcy anytime soon. The company has been paying dividends since 2009. At the end of 2012, it issued a whopping $4.5 dividend (about 8.74% of its market cap at the time). Its products are real and are reviewed all over Youtube. I think that the shorts are wrong to pay such a high borrow for this stock. It is almost impossible to make money when the borrow is 80.5%.
Because the borrow is so expensive, the call options on RGR are trading at very low implied volatilities (mid 20s versus historical volatility of around 40).