The rate of fire was limited by how quickly the bolt could be operated. In close combat, however, submachine guns were often preferred, especially for urban combat, where the rifle's range and low rate of fire were not very useful, although the rifle's powerful ammunition was better able to penetrate walls and other cover found in urban areas. Besides conversions of original Karabiner 98k rifles other sporter variants made by a number of manufacturers such as FN Herstal, Zastava, Santa Barbara (Spain) and many others have been available at various times in a wide variety of chamberings, but most are large-bore hunting calibres.  Exports of Karabiner 98ks decreased as war drew closer, as all available production capacity was needed to equip the German Armed Forces.  After the rifle was retired from reserve military service, the Israeli Mauser Karabiner 98k was given to a number of third-world nations as military aid by Israel during the 1970s and 1980s, and sold as ex-military surplus on the open market, with many Israeli Mausers being exported to Australia (the Israeli Mauser is the most predominant variant of the Mauser Kar98k rifle on the Australian surplus firearms market today) and North America during the 1970s and 1980s.  From 1939 onwards the post front sight was hooded to reduce glare under unfavourable light conditions and add protection for the post. Specimens with folding stocks (Klappschaft) and with detachable barrels (Abnehmbarer Lauf) are known to have been produced at Mauser Oberndorf. Nations like France and Norway used the Mauser Karabiner 98k rifle and other German weapons in the years after World War II. Each rifle was furnished with a short length of cleaning rod, fitted through the bayonet stud. The 98b was additionally fitted with a tangent rear sight rather than the more claustrophobic "Lange" ramp sight). East German refurbished Karabiner 98ks featured Russian-style thicker blue finish, a 'sunburst' proof mark and sometimes had the factory designation '1001' applied, which was the factory where the refurbishment was carried out. It was the standard rifle of the Spanish units during the Ifni War. Instead two emergency gas relief holes were drilled and the bolt guide was omitted from the bolt body. A batch of 82 G40k rifles was produced in 1941 at Mauser Oberndorf.. Though most Karabiner 98k rifles went to the German armed forces, the weapon was sold abroad in the years prior to World War II. This ergonomic problem was solved by mounting the telescopic sight relatively high above the receiver and sometimes modifying or replacing the safety operating lever or using an offset mounting to position the telescopic sight axis to the left side in relation to the receiver center axis. The Karabiner 98 kurz (German: [kaʁaˈbiːnɐ ˌʔaxtʔʊntˈnɔʏntsɪç ˈkʊɐ̯ts]; "carbine 98 short"), often abbreviated Kar98k or K98k and often incorrectly referred to as a "K98" (which was a Polish carbine), is a bolt-action rifle chambered for the 7.92×57mm Mauser cartridge that was adopted on 21 June 1935 as the standard service rifle by the German Wehrmacht. It was designed to function with the large sized cartridges normally used to hunt Big Five game and other species. , Karabiner 98k in mint condition, made in 1940. Former German Karabiner 98k rifles were widely distributed throughout the Eastern Bloc, some being refurbished two or three times by different factories. During World War II, the Soviet Union captured millions of Mauser Karabiner 98k rifles and re-furbished them in various arms factories in the late 1940s and early 1950s. exports to South America that had a handguard and rear sight like the M48). Introduced in 1934, the Reinigungsgerät 34 consisted of a flat 85 mm (3.3 in) wide by 135 mm (5.3 in) long sheet metal container with two hinged lids carried on the person, which held an oiler, a take down tool for removing the floorplate and cleaning the receiver of the rifle, an aluminum barrel pull-through chain, a cleaning and an oiling brush, and short lengths of tow used as cleaning patches. Still, it continued to be the main infantry rifle of the Wehrmacht until the end of the War. In West Germany, the Karabiner 98k were issued to the Bundesgrenzschutz (BGS; English: Federal Border Guard), which was originally organized along paramilitary lines and armed as light infantry; in the 1950s.. Because of this the S Patrone was phased out in 1933 and the s.S. Patrone became the standard German service ball cartridge in the 1930s.. mit originalem Riemen. Towards the end of the war, it was intended to phase out the Karabiner 98k in favour of the StG 44, which fired the 7.92×33mm Kurz intermediate rifle round that was more powerful than the pistol cartridges of submachine guns, but that could be used like a submachine gun in close-quarters and urban fighting.