1937 Mauser Oberndorf K98k Portuguese Crest M937-A All Matching No Rework WaA63

Description:
MANUFACTURER: MAUSER-WERKE A.G. OBERNDORF A/N 
MODEL: KARABINER 98k (PORTUGUESE CONTRACT M937-A) 
ISSUE DATE: 1937 
COUNTRY OF ORIGIN: GERMANY 
SERIAL NUMBER: E13902 
MANUFACTURER CODE: S/42 (MAUSER OBERNDORF PRE-WAR CODE) 
WAFFENAMT / PROOFS: WaA63 (MAUSER OBERNDORF HEER INSPECTOR ACCEPTANCE), EAGLE/63 (GERMAN HEER FINAL ACCEPTANCE WITH THIRD REICH EAGLE OVER SWASTIKA), EAGLE/N (GERMAN NITRO PROOF), CROWN/U (IMPERIAL/WEIMAR ERA ACCEPTANCE), CROWN/B (BARREL PROOF), CROWN/G (GEZOGEN), PORTUGUESE ROYAL CREST (MODEL 937-A CONTRACT ACCEPTANCE), SERIALIZED PROOF STRING “E13902”
ISSUED BRANCH: PORTUGUESE ARMY (PRIMARY), GERMAN HEER INSPECTION STANDARD 
CONFLICT DEPLOYMENT: WWII ERA (PORTUGUESE SERVICE / COLONIAL USE) 
PROVENANCE/RECORDS: PORTUGUESE CONTRACT MODEL 937-A PRODUCED BY MAUSER OBERNDORF WITH FULL GERMAN MILITARY INSPECTION PROTOCOL, NON-IMPORT MARKED
ARMORY/INSPECTION MARKS: EXTENSIVE WaA63 MARKINGS ACROSS RECEIVER, BOLT, BARREL BANDS, FRONT SIGHT BASE AND COMPONENTS; MATCHING SERIALIZED PARTS INCLUDING BOLT BODY 
CALIBER: 8x57mm JS 
CAPACITY: 5 ROUNDS 
BARREL LENGTH: 23.62" 
BARREL FEATURES: STEPPED MILITARY BARREL, INTEGRAL BAYONET LUG 
RIFLING: 4-GROOVE RIGHT-HAND TWIST 
OPERATING SYSTEM: CONTROLLED ROUND FEED (CRF) 
ACTION: BOLT-ACTION 
TRIGGER: SINGLE-STAGE MILITARY
IRON SIGHTS: TANGENT REAR, PROTECTED FRONT POST 
STOCK: WALNUT STOCK WITH PORTUGUESE SIDE SLING CONFIGURATION AND STOCK DISK 
GRIP: MILITARY STRAIGHT WRIST 
FIREARM FINISH: BLUED  
CONDITION: VERY GOOD ORIGINAL MILITARY CONDITION WITH HONEST SERVICE WEAR AND STRONG, CRISP MARKINGS 
ADDITIONAL FEATURES: ALL MATCHING SERIALS, EARLY PRE-WAR HIGH POLISH MACHINING, INTACT CREST, NON-REFURBISHED EXAMPLE, ORIGINAL PORTUGUESE SIDE SLING SWIVEL ASSEMBLY, NON-IMPORT MARKED 
WHAT’S INCLUDED: RIFLE 

This 1937-dated Mauser Oberndorf Karabiner 98k represents one of the most desirable and historically layered contract rifles of the pre-war era—the Portuguese Model 937-A. Produced at the height of Germany’s rearmament program, this rifle was manufactured on the same production lines as German Heer rifles and held to identical inspection standards before being diverted into a foreign military contract. Portugal, maintaining neutrality while modernizing its forces, acquired these rifles directly from Mauser, resulting in a unique crossover firearm that blends German military pedigree with Portuguese national identity.

At its core, this rifle is built on the legendary Mauser 98 controlled-round-feed system—arguably the most battle-proven bolt-action design ever fielded. Featuring dual front locking lugs, a third safety lug, and a massive non-rotating extractor, the system was engineered for absolute reliability in combat conditions. The action remains smooth and deliberate, reflecting the high machining standards of early 1937 production—well before wartime shortcuts altered fit and finish across German arms manufacturing.

What elevates this example far beyond a typical contract rifle is the sheer density and consistency of its German inspection marks. WaA63 Waffenamt stamps—correct for Mauser Oberndorf—are present across the receiver, bolt components, barrel bands, floorplate and front sight assembly, confirming full German Army inspection and acceptance protocols. These are not token marks; they represent a complete inspection chain identical to Heer-issued rifles. Complementing these are two Eagle/Swastika final Third Reich acceptance marks and Eagle/N nitro proofs, demonstrating both military and proof-house validation prior to delivery.
The Portuguese royal crest prominently displayed on the receiver ring confirms its designation as a Model 937-A contract rifle, dated 1937. Unlike many surviving examples, this crest remains sharp and untouched, free from post-war refinishing or scrubbing. Even more significant is the presence of the original Portuguese side sling swivel assembly—an often-missing feature that defines the rifle’s contract configuration. This side-mounted system, paired with the stock disk, reflects Portuguese military doctrine and distinguishes it visually and functionally from standard German K98k rifles.

All major components, including the bolt, remain matching to serial number E13902, with consistent font, depth, and wear patterns confirming originality rather than forced matching. The original 8x57 JS barrel is intact and properly proofed, further reinforcing that this rifle has avoided post-war arsenal refurbishment. There are no Russian capture marks, no Yugoslav rework indicators, and no evidence of later modification—this is a clean, uninterrupted survivor.

Historically, this rifle likely saw service within Portuguese forces during the late 1930s and World War II era, potentially in training roles or colonial deployments in Africa. Portugal’s neutrality allowed many of these rifles to avoid the destructive capture-and-rebuild cycles that affected German-issued weapons, preserving them in far more original condition. That untouched lineage is exactly what collectors seek, and it is fully present here.
From a collector standpoint, this rifle occupies a premium tier—early pre-war production, Oberndorf manufacture, full Waffenamt coverage, matching numbers, intact crest, and complete Portuguese configuration. It stands as both a German military-grade rifle and a foreign contract arm, telling a dual narrative of pre-war diplomacy and precision engineering. These rifles are increasingly scarce in this level of originality, and examples that retain all defining features—especially the side sling assembly—are becoming exceptionally difficult to source.

Visually and mechanically, this rifle delivers everything expected from a top-tier Mauser: crisp markings, honest handling wear, and the unmistakable presence of pre-war craftsmanship. It is a rifle that has not been altered, not been rebuilt, and not been compromised—just carried, used, and preserved. For the serious collector, this is not simply another K98k—it is a historically intact contract rifle with depth, authenticity, and undeniable character.

***Please see pictures for condition and wear***

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Curio/Relic: Yes
Rifle Caliber: 8x57mm JS
Manufacturer: MAUSER
Model: K98K
Serial Number: E13902
Barrel Length: 23.62
Bore Info: STRONG
Condition: GOOD
Metal Condition: GOOD
Wood Condition: GOOD
Bore Condition: GOOD
Manufacture Date: 1937

Price: $1,999.99
Shipping: $39.99
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