It’s rare that guns based upon classic military firearms don’t trigger (pun intended) some sort of reaction among gun enthusiasts. One of these is the U.S. Military’s M14, brought to the eager hands of civilian shooters by Springfield Armory 50 years ago as the legendary M1A, with many variants offered since. In my opinion, the most striking is the M1A Tanker, inspired by the prototype T26 Tanker Garand. The Springfield Armory M1A Tanker is a perfect, modern brush gun. It offers accurate, powerful shots with fast follow-up shots. This shorter version of the original rifle, with its iron sights and…