A 9 MM Submachine gun has Semi-automatic and Full-automatic options. 6” barrel length, 1:10 barrel twist, and a 9×19 mm NATO caliber. Overall length without muzzle break is 522 mm and 545 with muzzle break. Our submachine has a height of 198 mm without the magazine with 55 mm width. Our Submachine has stainless steel small parts, improved low mass bolt and long life springs.