Tag Archives: gas piston ar

By David Crane defrev (at) gmail (dot) com September 21, 2009 Updated May 31, 2010 Back in June, DefenseReview published an article on the Ruger SR-556 piston AR. Well, it’s now official: Everyone AND their mother is now making short-stroke gas piston/op-rod AR (AR-15) carbines and SBRs (Short Barreled Rifles). SIG SAUER has just entered the game with their SIG516 …

By David Crane defrev (at) gmail (dot) com Photo Credits: Sturm Ruger & Co., Inc. June 7, 2009 Updated on 6/16/09 Ever since the late