【M120迫擊炮】殺傷精度可控製在1米內，幾乎參與美國所有戰役，可發射北約各種型號彈藥，美國機械化步兵營必備的迫擊炮

M120拖拽式迫擊砲，和M121BMS（Ballalion Mortar System營級迫擊砲系統）。這種模塊化的迫擊砲主體由以下部件夠成：M298型砲管（110磅）、M191型雙腳架（70磅）、M9型底座（136磅）。發射：M30 4.2英寸迫擊砲彈、M333高爆榴彈、M329煙霧彈等。美國陸軍M120/M121式120毫米迫擊砲武器系統為機動部隊指揮官提供基本的間瞄火力支援能力。它是一種傳統的滑膛迫擊砲，採用前裝式。與二戰時過期的107毫米重型迫擊砲系統相比，其射程更遠，殺傷力更大，安全性更高。該炮現已在機械化步兵部隊、摩托化部隊、裝甲部隊和騎兵部隊替代了107毫米迫擊砲，最大射程達7 240米，M120式採用牽引而M121則採用車載，能夠發射美國生產的各種增強型彈藥。
M120 towed mortar, and M121BMS (Ballalion Mortar System Battalion Mortar System). This modular mortar body consists of the following components: M298 barrel (110 lb), M191 bipod (70 lb), M9 base (136 lb). Launch: M30 4.2-inch mortar shells, M333 high-explosive grenades, M329 smoke grenades, etc. The U.S. Army M120/M121 120mm mortar weapon system provides maneuver force commanders with basic indirect fire support capabilities. It is a traditional smoothbore mortar, front-loaded. Compared to the outdated 107mm heavy mortar system during World War II, it has a longer range, greater lethality and improved safety. The gun has now replaced the 107mm mortar in mechanized infantry, motorized, armored and cavalry units, with a maximum range of 7 240 meters, the M120 is towed and the M121 is vehicle-mounted, capable of firing a variety of American-made Enhanced Ammo.