Last year, the U.S. Army began equipping its first units with the service’s new squad designated marksman rifle (SDMR) the M110A1. The use of the new SDMR will provide Army infantry squads with a very potent means of engaging targets up to 600 meters away, and is part of an effort to improve the performance of infantry weapons against effective modern body armors. U.S. Army SDMRs, a Brief History The use of SDMRs within U.S. Army infantry squads emerged as a result of fighting in both Iraq and Afghanistan, where it became clear that the Army’s M4 and M16 rifles...