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Mauser K98 Serial Number Locations: What They Mean and How to Decode Them



*- Later (higher) serial numbers were issued as Kriegsmodells. **- Kriegsmodells had rough unfinished stocks and no butt plate. Some years may have dual maker codes and/or dual dates marked on receiver K98 Variations- During the war several changes and/or alterations were made to the K98. Most of these changes were simply design alterations that were made to simplify or increase production of the rifle. Some of these were totally different model of the K98, including the G33/40. The G33/40 was basically a shortened version of the K98. The G33/40 was only in production for 3 years, from 1940-1942. It was produced by Waffen Werke Brunn, Brunn. It fired the exact same 7.92mm round, and had the same Mauser 98 action. However, that is where the similarities end. The G33/40 had several different parts that were not matching with the K98. These included: the bolt, stock, cleaning rod, sight hood cover, upper hand guard, barrel bands, sling, and even the bayonet. Below is an example of the G33/40, that was made in 1941, and bears the maker's code "dot 1941." Note also in the pictures below the differences between the standard K98 and the G33/40.


Manufacturing codes are assigned to the various firearms manufacturers. Over the years, when these companies changed ownership or merged to form new companies with new names, they were given different manufacturing codes and used serial numbers that started with different digits. This also helps to identify how old the gun is.




Mauser K98 Serial Number Locationsl




Starting in late 1944, Karabiner 98k production began transition to the Kriegsmodell ("war model") variant. This version was simplified to increase the rate of production, removing the bayonet lug, cleaning rod, stock disc (which functions as a bolt disassembly tool), and other features deemed unnecessary.[15] Non-critical parts like the stock were finished to lower standards and metal parts like the nose cap, barrel band, floor plate and trigger guard (lacking the small locking screw provision) were simplified stamped parts and less elaborately mounted to the rifle. The M98 bolt was also simplified by no longer milling the two oval-shaped emergency gas relief holes in the bottom of the bolt. Instead, two emergency gas relief holes were drilled and the bolt guide was omitted from the bolt body. It had fewer serial numbered parts, a phosphate metal surface finish, and a hole at the bottom end of the butt plate that replaced the stock disk. At least two transitional variants existed, which incorporated only some Kriegsmodell features, and some factories never switched to Kriegsmodell production at all.[16]


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. These rifles, referred to by collectors as RC ("Russian Capture") Mausers, can be identified by an "X" stamp on the left side of the receiver. The Soviet arsenals made no effort to match the rifle's original parts by serial number when reassembling them, and some metal parts (the cleaning rod, sight hood, and locking screws) were omitted after rebuilding, and instead were melted down and recycled, presumably with the other parts that weren't suitable for re-use.


Norway's captured Karabiner 98k rifles were soon superseded as a standard issue weapon by the US M1 Garand, but remained in service as Norwegian Home Guard weapons until the 1990s, in which role they were rebarreled for the .30-06 Springfield round used by the M1, with a small cutout in the receiver so that the slightly longer US round could still be loaded with stripper clips. These Norwegian conversions had a section of the receiver flattened on the upper left side, where a new serial number (with a prefix denoting the branch of service) was stamped. Some of these rifles conversions were rechambered again to 7.6251mm NATO,[33] but this program was canceled with only a few thousand converted when Norway adopted the AG-3 (H&K G3) as a replacement for both the M1 and the K98k. Some actions from Mauser Karabiner 98k left by German armed forces in 1945 were used by Kongsberg Våpenfabrikk (currently Kongsberg Small Arms) for building both military and civilian sniper/target rifles under the Kongsberg Våpenfabrikk Skarpskyttergevær M59 - Mauser M59 and Kongsberg Våpenfabrikk Skarpskyttergevær M67 - Mauser M67 designations. These rifles were used by the Norwegian armed forces up to the 2000s. Karabiner 98k rifles rechambered to .30-06 Springfield are still used by the Svalbard Global Seed Vault security guards mainly as a last resort against polar bear attack.[37]


Surplus Mauser 98K actions were used by Schultz & Larsen in Denmark as the basis for target rifles. The actions had the German markings removed, were refinished in gray phosphate, and new serial numbers and proof marks applied. The Schultz & Larsen M52 and M58 Target Rifles used shortened and refurbished Karabiner 98k stocks. Later versions had new target stocks fitted and were available in .30-06, 6.555mm and 7.62mm NATO. Some of these rifles are still in competitive use today although with the benefit of new barrels. 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. 2ff7e9595c


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