Established in 1980, Lewis Machine & Tool Company (LMT®) manufactures M4 type carbines, 7.62 x 51 DMR carbines/rifles and M203 40mm grenade launchers. LMT is 100% US made and an ISO 9001: 2008 registered US Government GSA approved contractor. In 2009, the 7.62 x 51 model was classified by the UK MOD as their L129A1 Designated Marksman Rifle. In 2014, the 5.56 x 45 monolithic rifle with ambi features, was classified as the MARS-L, Modular Ambidextrous Rifle System, Lightweight. LMT products are currently in service with the US Government, US SOCOM and 40 other countries around the world.