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 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] .

The SIG MPX SBR firing system is a 9mm submachine gun series of short barrel rifles and pistol caliber carbines; a new level of adaptability and proven reliability.

Jul 4, 2024 · Explore the 14 best 9mm AR pistols for 2024 at USA Gun Shop. Find versatile, high-performance pistol caliber carbines perfect for home defense.

Aug 5, 2008 · The first truly successful SMG to be used world-wide came out of Israel: the Uzi SMG – an open bolt selective fire SMG. The next, and the most successful SMG of all time, was the Heckler & Koch MP5. The MP5 would be the standard SMG in use by both military and law enforcement throughout the world.

The AR-9 Colt SMG gives you the reliability of 9mm in a rifle version making it perfect for home defense. Stock up on Colt®-style AR-9 SMG magazines today, and enjoy reliable firepower while at the range, engaging in firearms and tactical training, or defending your home.

Jul 6, 2024 · Here are the best AR pistols for sale in 2024. 1. Sig Sauer MCX Spear LT. Total Length: 31 inch. Click for Lowest Price! The Sig LT Spear is military gear, more or less, and the longer barrel, fully enclosed design means it fits the current rules to perfection.