Browse Heckler & Koch firearm specifications, calibers and production history.
40 weapons · Page 1 of 2
A German single-shot 40x46mm under-barrel grenade launcher designed for the G36 rifle family. It can also be used as a standalone weapon with a stock kit.
The B36A4 is a selective-fire assault rifle manufactured by Heckler & Koch, representing a variant within the renowned G36 family. Designed primarily for military and law enforcement use, the B36A4 incorporates the basic gas-operated, rotat
A Heckler & Koch prototype automatic shotgun developed for the U.S. Army Close Assault Weapon System program. It featured a unique bullpup layout.
The Heckler & Koch G3 is a 7.62×51mm NATO, roller‑delayed blowback battle rifle developed in the 1950s as a response to NATO’s standardization of the cartridge. Designed primarily for military service, the G3 emphasizes reliability, ease of
The Heckler & Koch GMG (Grenade Machine Gun) is a belt-fed 40×53mm automatic grenade launcher. It delivers fully automatic high-velocity grenade fire at ranges exceeding 2,000 meters, mounted on vehicles, tripods, or naval mounts.
The Heckler & Koch MP5SD is an integrally suppressed variant of the MP5 submachine gun. Its built-in suppressor combined with a ported barrel reduces the velocity of supersonic ammunition to subsonic levels, making it one of the quietest fi
A civilian-legal version of the G36 rifle, featuring a heavy barrel and precision-oriented stock.
The Heckler and Koch USP Compact is a compact version of the full-size HK USP pistol. It was introduced in 1994 alongside the standard USP and was designed for concealed carry and law enforcement use. The USP Compact retains the same operat
The USP Expert is a precision tactical/competition pistol based on the USP platform with a longer barrel and adjustable sights.
The HK21 is a German general-purpose machine gun developed by Heckler & Koch as a belt-fed variant of the G3 battle rifle. It uses the same roller-delayed blowback action as the G3 and feeds from disintegrating belts. The weapon was designe
The HK53 SD was an integrally suppressed carbine variant of the HK33 series, chambered in 5.56x45mm NATO. It used ported barrel to bleed off propellant gas into a large suppressor body, reducing velocity to subsonic levels. The weapon combi
The HK79 is a 40x46mm single-shot under-barrel grenade launcher designed by Heckler & Koch for the G3, G36, and HK33 series of rifles. It features a break-open breech accessed by a lever on the left side. The launcher provides infantry with
The Heckler & Koch 512 is a semi-automatic shotgun developed by Heckler & Koch in Germany. It was designed as a commercial semi-automatic sporting shotgun for hunting and clay target shooting. The HK 512 uses HKs trademark roller-delayed bl
The Heckler & Koch G28 is a German designated marksman rifle chambered in 7.62×51mm NATO, derived from the HK417 battle rifle. It was adopted by the U.S. Army as the M110A1 CSASS (Compact Semi-Automatic Sniper System), replacing the KAC M11
The Heckler & Koch G3 is a select-fire battle rifle renowned for its robust design and reliability. Primarily intended for military use, it employs a roller-delayed blowback operating system, a design element that distinguishes it from gas-
A lightweight, polymer-framed modular rifle system, designed as a replacement for the G3 battle rifle.
A short-stroke gas piston rifle based on the AR-15 platform, known for its reliability in harsh conditions.
The Heckler & Koch HK417 is a battle rifle chambered in 7.62×51mm NATO, designed and manufactured by German arms company Heckler & Koch. It is a larger-caliber derivative of the HK416 platform, designed for designated marksman and battle ri
The HK417 DMR is a designated marksman variant of the Heckler & Koch HK417 battle rifle, chambered in 7.62x51mm NATO. It features a longer, heavy barrel for improved accuracy and a free-floating handguard. The weapon is used by several NATO
The Heckler & Koch HK45 is a polymer-framed semi-automatic pistol chambered in .45 ACP, introduced in 2007. It evolved from the HK USP45 but incorporates ergonomic improvements from the P2000 and P30 series, including interchangeable backst
The Heckler & Koch HK91 is a semi‑automatic, 7.62×51mm NATO battle rifle derived directly from the HK G3 family. Designed in the late 1970s as a civilian‑legal counterpart to the military G3, the HK91 retains the roller‑delayed blow‑back sy
The Heckler & Koch MP5 is a 9x19mm Parabellum submachine gun renowned for its reliability, accuracy, and widespread adoption by military, law enforcement, and special operations units globally. Its design philosophy centers on providing a c
The MP5K is a compact version of the famous Heckler & Koch MP5 submachine gun chambered in 9x19mm. The K stands for Kurz, German for short, with the weapon being significantly shorter than the standard MP5. It uses a roller-delayed blowback
The Heckler & Koch MP7 is a German personal defense weapon (PDW) designed as a compact, lightweight, and highly effective firearm for military and law enforcement personnel who require a weapon with greater penetration capabilities than tra
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