It includes Submachine guns (SMG), Machine pistols (MP), Personal defense weapon systems (PDW), and "compact submachine gun-like weapons" not easily categorized. Weapons may fit in more than one category.

The Minebea PM-9 Submachine Gun, known officially in the Japan Self-Defense Forces (JSDF) as the 9mm Machine Pistol (9mm機関拳銃, Kyumiri Kikan Kenjū)[2] or as the M9, [5] is a Japanese-made submachine gun and machine pistol.

The 9×18mm Makarov (designated 9mm Makarov by the C.I.P. and often called 9×18mm PM) is a pistol and submachine gun cartridge developed in the former USSR.

Jan 14, 2020 · The author provides clear, step-by-step instructions for an expedient 9mm submachine gun. It is easily constructed from readily available materials, primarily steel tubing; it does not require a lathe and milling machine and it can be built by just about anyone in about a week. I have certainly managed to prove how absurd improvised weapons are.

Where other submachine guns have to use special subsonic ammunition for silenced use, the MP5 SD fires supersonic ammunition in the subsonic range (<340 m/s). It is also one of the most precise silenced submachine guns in its class.

The PMX is the latest SMG developed by Beretta. The extensive use of polymer materials and light alloy metals allowed the design of a compact, lightweight, yet rugged structure, one which is versatile and easy to deploy in combat.

Sep 24, 2010 · In January 1994, production began on the PMM, an improved version of the Makarov that has a double-stack magazine that holds 12 rounds and is chambered for a hotter 9x18mm round. This cartridge, designated the 57-N-181SM, has a muzzle velocity about 35 percent higher than the standard 9x18mm round.

The Colt 9mm SMG, also known as the Colt Model 635 or Colt M635, is a 9×19mm Parabellum submachine gun manufactured by Colt, based on the M16 rifle. [5] The Colt 9mm SMG is a closed bolt, blowback operated SMG, rather than the conventional direct impingement gas operation of the standard 5.56×45mm M16 type rifle. [6] .