I picked up one of the newer Ruger Tac , black syn stock with the older G/B type flash hider in Matt stainless , had the older G/B gun and never had a problem with it , I was seeing these at a few shops and thinking Ruger must of made a batch of them because I hadn`t seen any for a good while , have other AR guns Colt , LWRC piston guns just wanted a truck and atv gun , got it and a few ex mags . brought it home cleaned it off and relubed it ready to try it out .I did put a loder upper habdgaurd with the liner on it looks pretty good