Showing 50 of 589 firearms starting with "M"
| Name | Manufacturer | Caliber | Type |
|---|---|---|---|
| M1903A3 Springfield | - | - | M1903 Springfield |
| M1903A4 Springfield | - | - | M1903 Springfield |
| M1911 | - | - | M1911 pistol series |
| M1911 "Non-Gun" | - | - | Non Guns |
| M1911 Replica | - | - | M1911 pistol series |
| M1911 pistol | - | - | M1911 pistol series |
| M1911-style compact pistol | - | - | - |
| M1911-style pistol | - | - | - |
| M1911-style pistols | - | - | - |
| M1911A1 | - | - | - |
| M1911A1 Government | - | - | M1911 pistol series |
| M1911A1 Govt Model | - | - | M1911A1 |
| M1916 Spanish Mauser | - | - | Mauser Rifle Series |
| M1917 Chemical Hand Grenade | - | - | - |
| M1917 Enfield | - | - | Pattern 1914 Enfield |
| M1917 Enfield Sporter | - | - | Pattern 1914 Enfield |
| M1917 Revolver | - | - | - |
| M1917A1 | - | - | Browning M1917 |
| M1918 Browning Automatic Rifle | - | - | Browning Automatic Rifle |
| M1918A2 Browning Automatic Rifle | - | - | Browning Automatic Rifle |
| M1921 Thompson | - | - | Thompson Submachine Gun |
| M1921 Thompson Submachine Gun | - | - | Thompson Submachine Gun |
| M1921A Thompson | - | - | Thompson Submachine Gun |
| M1921AC Thompson | - | - | Thompson Submachine Gun |
| M1928 "Tommy Gun" | - | - | Thompson Submachine Gun |
| M1928 Thompson | - | - | Thompson Submachine Gun |
| M1928 Thompson Submachine Gun | - | - | Thompson Submachine Gun |
| M1928A1 Thompson | - | - | Thompson Submachine Gun |
| M1936 Mexican Mauser | - | - | Mauser Rifle Series |
| M1941 Johnson rifle | - | - | - |
| M1A1 "Bazooka" | - | - | M1 Rocket Launcher "Bazooka" |
| M1A1 Bazooka | - | - | M1 Rocket Launcher "Bazooka" |
| M1A1 Carbine | - | - | M1 Carbine |
| M1A1 Flamethrower | - | - | M1 Flamethrower |
| M1A1 Stun Grenades | - | - | - |
| M1A1 Thompson | - | - | Thompson Submachine Gun |
| M1A1 stun grenade | - | - | - |
| M1C Garand | - | - | - |
| M2 Browning | - | - | M2 (disambiguation) |
| M2 Carbine | - | - | M1 Carbine |
| M2 Flamethrower | - | - | - |
| M2 Mortar | - | - | - |
| M20 "Super Bazooka" | - | - | M1 Rocket Launcher "Bazooka" |
| M20 Bazooka | - | - | M1 Rocket Launcher "Bazooka" |
| M202 FLASH | - | - | - |
| M202A1 FLASH | - | - | M202 FLASH |
| M203 Grenade Launcher | - | - | M203 grenade launcher |
| M203 grenade launcher | - | - | - |
| M203A1 Grenade Launcher | - | - | M203 grenade launcher |
| M20A1 "Super Bazooka" | - | - | M1 Rocket Launcher "Bazooka" |