The 9mm submachine gun designed and manufactured by the German company Heckler&Koch has been known for its high firing rate, low recoil, and shooting accuracy since its development in the 1960s. The MP5 series includes multiple models, such as MP5A3, MP5SD micro acoustic model, and MP5K ultra short model, to meet different tactical needs. Adopting the same roller locking system as the G3 rifle ensures reliability and safety. Widely adopted by military and police forces in over 50 countries worldwide, it has become a signature weapon in counter-terrorism and special operations. Its magazine capacity is usually 15 or 30 rounds, with an effective range of 200 meters. Easy to carry and hide.

The HKMP5K is a submachine gun developed and produced by the German company H&K (Heckler&Koch). The MP5K is a variant of the MP5 series, specifically designed for compactness, portability, and high maneuverability. Adopting a short barrel and stock, the overall size has been reduced, making it more suitable for close combat and special operations environments. It adopts a 9mm caliber and uses a detachable box magazine, typically with a capacity of 15, 30, or 40 rounds. It is a classic compact submachine gun with excellent performance and reliability. It is an ideal melee and special operations weapon widely used in military and law enforcement fields.