improvement over the M14 when in full-auto, it was still difficult to control, overheated rapidly, and the 20-round magazine limited its ability to deliver suppressive fire. M14M (Modified)/M14NM (National Match) The M14M is a semi-automatic only version of the standard M14 that was developed for use in civilian rifle marksmanship activities such as the Civilian Marksmanship Program. M14M rifles were converted from existing M14 rifles by welding the select-fire mechanism to prevent full-automatic firing. The M14NM (National Match) is an M14M rifle built to National Match accuracy standards. The M14M and M14NM rifles are described in a (now obsolete) Army regulation, AR 920–25, "Rifles, M14M and M14NM, For Civilian Marksmanship Use", 8 February 1965. Paragraph 2, among other things, stated that the Director of the Alcohol and Tobacco Tax Division, Internal Revenue Service, Department of the Treasury (predecessor to the Bureau of Alcohol, Tobacco, Firearms, and Explosives) had ruled that M14M and M14NM rifles so modified would not be subject to the 1934 National Firearms Act (NFA) and, as such, could be sold or issued to civilians. However, with the passage of the Gun Control Act of 1968, the NFA was amended to prohibit the sale of previously modified automatic weapons such as the M14M and M14NM to civilians. M14 SMUD Stand-off Munition Disruption, used by Explosive Ordnance Disposal personnel to destroy unexploded ordnance. Essentially an M14 National Match rifle with a scope. Mk 14 EBR The Mk 14 Enhanced Battle Rifle is a more tactical version of the M14, with a shorter 18-inch barrel, a retractable stock and multiple rails for more accessories. M14 Tactical Modified M14 using the same stock as the Mk 14 but with a 22-inch barrel and a Smith Enterprise muzzle brake, used by the U.S. Coast Guard. M14 Designated Marksman Rifle Designated marksman version of the M14, used by the U.S. Marine Corps. Replaced by the M39 Enhanced Marksman Rifle. M39 Enhanced Marksman Rifle Modified M14 DMR fitted with the same stock as Mk 14, used by the U.S. Marine Corps. Being replaced by the M110 Semi-Automatic Sniper System. M89SR Model 89 Sniper Rifle The M89SR is an M14 in bullpup configuration first introduced by Sardius in the 1980s. Later produced by Technical Equipment International (TEI) for the Israel Defense Forces AWC G2A Sniper Rifle AWC G2A Sniper Rifle is a modified M14 with bullpup stock designed by Lynn McWilliams and Gale McMillian in