| Manurhin F1 |
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| Manurhin MR-73 |
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| Manurhin MR-88 |
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| Manurhin MR35 Punch |
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| Manurhin MR93 |
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| Manville Projectile Launcher |
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| Mare's Leg |
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| Margolin MCM |
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| Margolin MTs |
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| Mariette Pepperbox |
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| Mark 12 Mod 0 SPR (Special Purpose Rifle) |
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| Marksman 1010 BB |
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| Marksman Repeater BB Pistol |
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| Marlin 1875 pocket |
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| Marlin Camp Carbine-9 |
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| Marlin Model 1881 |
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| Marlin Model 1889 |
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| Marlin Model 1893 |
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| Marlin Model 1894 |
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| Marlin Model 1895 |
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| Marlin Model 1895SBL |
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| Marlin Model 25 |
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| Marlin Model 336 |
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| Marlin Model 336W |
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| Marlin Model 983 |
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| Marlin Tranquilizer Rifle |
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| Marlin-Ballard No. 4 Perfection |
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| Martini Schuetzen Rifle |
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| Martini-Enfield Artillery Carbine |
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| Martini-Henry |
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| Martini-Henry Carbine |
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| Martini-Henry Mk. III |
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| Martini-Henry Rifle |
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| Maruzen CA870 CQB |
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| MasterPiece Arms MPA30DMG |
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| Matchlock Double Barreled Shotgun |
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| Matchlock Musket |
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| Matchlock Pistol |
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| Mateba |
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| Mateba Autorevolver |
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| Mateba Model 6 Unica |
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| Mauser 1910 Pocket Pistol |
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| Mauser 1914 Pocket Pistol |
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| Mauser 1934 |
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| Mauser 1934 Pocket Pistol |
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| Mauser 86 SR |
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| Mauser 98 Sporter |
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| Mauser 98AZ Artillery Carbine |
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| Mauser C96 |
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| Mauser C96 "Bolo" |
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