Heckler & Koch G11
The Heckler & Koch G11 is a non-production prototype assault rifle developed during the late 1960s, 1970s and 1980s by Gesellschaft für Hülsenlose Gewehrsysteme (GSHG) (German for "Corporation for Caseless Rifle Systems"), a conglomeration of companies headed by firearm manufacturer Heckler & Koch (mechanical engineering and weapon design), Dynamit Nobel (propellant composition and projectile design), and Hensoldt Wetzlar (target identification and optic systems). The rifle is noted for its use of caseless ammunition.
It was primarily a project of West Germany, though it was also of significance to the other NATO countries as well. In particular, versions of the G11 were included in the U.S. Advanced Combat Rifle program.
In 1990, H&K finished the development of the G11, intended for the Bundeswehr and other NATO partners. Although the weapon was a technical success, it never entered full production due to the political changes of German reunification and lack of procurement contract. Only 1000 units were ever produced, some of which made their way into the hands of the Bundeswehr. Ultimately, the German armed forces replaced the G3 with the G36.
Heckler & Koch
Heckler & Koch GmbH (HK) (German pronunciation: [ˈhɛklɐʔʊntˈkɔx]) is a German defense manufacturing company that manufactures handguns, military rifles, submachine guns, and grenade launchers. The company is located in Oberndorf in the state of Baden-Württemberg, and also has subsidiaries in the United Kingdom, France and the United States.
The Heckler & Koch Group comprises Heckler & Koch GmbH, Heckler & Koch Defense, NSAF Ltd., and Heckler & Koch France SAS. The company motto is "Keine Kompromisse!" (No Compromise!). HK provides firearms for many military and paramilitary units, like the Special Air Service, U.S. Navy SEALs, Delta Force, FBI HRT, the German KSK and GSG 9 and many other counter-terrorist and hostage rescue teams.
Their products include the MP5 SMG, the G3 battle rifle, the HK33, G36, HK416 assault rifles, the Heckler & Koch HK21 general-purpose machine gun, the MP7 PDW, the UMP SMG, the USP series of handguns, and the high-precision PSG1 sniper rifle. All firearms made by HK are named by a prefix and the official designation, with suffixes used for variants.
Heckler & Koch HK33
The HK33 is a 5.56mm assault rifle developed in the 1960s by West German armament manufacturer Heckler & Koch GmbH (H&K), primarily for export.
Capitalizing on the success of their G3 design, the company developed a family of small arms (all using the G3 operating principle and basic design concept) consisting of four types of firearms: the first type, chambered in 7.62×51mm NATO, the second—using the Soviet 7.62×39mm M43 round, third—the intermediate 5.56×45mm caliber and the fourth type—chambered for the 9×19mm Parabellum pistol cartridge.
The HK33 series of rifles were adopted by the Brazilian Air Force (Força Aérea Brasileira or FAB), the armed forces of Thailand and Malaysia where they were produced under a license agreement. The rifle was also license-built in France by MAS and in Turkey by MKEK.
Design details
Operating mechanism
The HK33 is a selective fire weapon with Heckler & Koch's roller-delayed blowback system of operation. It employs a two-piece bolt consisting of a bolt head with a pair of rollers and bolt carrier. Upon firing, the two cylindrical rollers in the bolt head are cammed inward by inclined surfaces of the barrel extension and impart a rearward motion on the locking piece, which also propels the bolt carrier rearward. This built-in mechanical disadvantage delays the movement of the bolt head relative to the bolt carrier which is withdrawing at four times the velocity of the bolt. The rollers soon compress entirely into the bolt head, clearing the locking recesses of the barrel extension, and both parts now continue rearward together, opening the breech and actuating the extraction and feeding cycles. The chamber is opened under very high pressure, thus the chamber received a series of flutes in order to increase extraction reliability and prevent sticking of the spent casing to the chamber walls.
Heckler & Koch HK43
The Heckler and Koch HK43 is a semi-automatic rifle based upon the Heckler & Koch HK33 assault rifle and is the predecessor of the Heckler & Koch HK93 semi-automatic rifle.
Overview
In the mid to late 1960s, Heckler & Koch developed the HK33, which was a scaled-down version of the Heckler & Koch G3, but chambered for 5.56×45mm NATO. The HK33 entered production in 1968. In 1974, a semi-automatic version of the HK33 was introduced by H&K and was designated the HK43. According to H&K’s numbering nomenclature, the “4” indicates that the weapon is a paramilitary rifle, and the “3” indicates that the caliber is .223.
A HK43 version KA1 with a shorter 322 mm barrel was used in 1977 by the German RAF terrorist group to assassinate general attorney Siegfried Buback and two policemen .
Today, an original HK43 can sell for around $5000 due to rarity. HK43s were sold with 25-round steel magazines. Of the approximately 377 HK43s produced, it is estimated that about 200 were imported by SACO into the U.S in 1974.
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