RIFLES | THE M1A With most semi-automatic rifles being made of polymer and aluminum these days, there's still a retro streak among some shooters that clamors for steel and walnut. Based on the M14, Springfield's M1A fills that niche well, delivering accuracy and reliability-as it has for more than 40 years. BY LAYNE SIMPSON Today's line of M1A rifles consists of eight major models including the Scout Squad (above) and the M21 (below). 66 FEBRUARY 2015 AMERICAN RIFLEMAN