Military Rifle Archives - Eisel Armory https://eiselarmory.com/tag/military-rifle/ Sun, 20 Sep 2026 21:54:39 +0000 en-US hourly 1 https://wordpress.org/?v=7.1.2 Portuguese Model 1937 (M/937) Mauser Rifle https://eiselarmory.com/portuguese-model-1937-m-937-mauser/?utm_source=rss&utm_medium=rss&utm_campaign=portuguese-model-1937-m-937-mauser Sat, 15 Aug 2026 14:26:52 +0000 https://eiselarmory.com/?page_id=1432 Full-length right side view of a Portuguese Model 1937 M/937 Mauser rifle. Photo property of Eisel Armory. The Portuguese Model 1937, known simply as the M/937, was adopted as Portugal’s standard infantry rifle in 1937, chambered for the 7.92x57mm Mauser cartridge — the same round used by Germany’s own service rifles of the era. Built […]

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Right side view of a full-length Portuguese Model 1937 M/937 Mauser rifle
Full-length right side view of a Portuguese Model 1937 M/937 Mauser rifle. Photo property of Eisel Armory.

The Portuguese Model 1937, known simply as the M/937, was adopted as Portugal’s standard infantry rifle in 1937, chambered for the 7.92x57mm Mauser cartridge — the same round used by Germany’s own service rifles of the era. Built in Germany under contract and shipped to Portugal in the years leading up to World War II, the M/937 became the country’s principal bolt-action battle rifle, remaining in frontline service for decades afterward.

Built on Germany's Proven Model 98 Action

The M/937 is built on the Mauser Model 98 action, the same rock-solid bolt-action system that armed Germany’s own troops and dozens of other militaries worldwide. Rather than a home-grown Portuguese design, it was essentially an export-pattern Mauser produced to Portuguese specifications and stamped with the national crest instead of German unit markings.

It replaced the Mauser-Vergueiro, a lighter 6.5mm rifle Portugal had adopted decades earlier that proved less durable in field service, pushing the country toward the full-power 7.92mm standard already favored across much of Europe.

Left side view of a full-length Portuguese Model 1937 M/937 Mauser rifle
Full-length left side view of a Portuguese Model 1937 M/937 Mauser rifle. Photo property of Eisel Armory.

Manufactured by Mauser-Werke at Oberndorf

Close-up of the Mauser-Werke A.G. Oberndorf a/N manufacturer marking on the M/937 Mauser receiver
Close-up of the Mauser-Werke A.G. Oberndorf a/N manufacturer marking on the receiver. Photo property of Eisel Armory.

Every M/937-family rifle under these contracts was manufactured by Mauser-Werke A.G. at its factory in Oberndorf am Neckar, Germany — the same plant responsible for generations of military and sporting Mausers. Collector and serial studies commonly cite a 1937 order of about 100,000 rifles (roughly split between standard m/937 and modified m/937A guns with Portuguese-specified sight protectors and sling hardware), plus a 1941 m/937B follow-on of roughly 50–60,000 — on the order of ~150,000+ across the family, not merely "tens of thousands." Some m/937B production was diverted to German Wehrmacht use rather than delivered to Portugal.

Surviving examples typically carry both Mauser-Werke factory markings and German proof/inspection (WaA) stamps alongside their Portuguese crest — a visible record of the arrangement between the two countries. Crest dates help sort variants: 1937 on m/937 and m/937A; 1941 on m/937B.

From Portugal's Colonial Service to American Collections

Portugal remained officially neutral through World War II, but the M/937 stayed in frontline service well beyond it, equipping Portuguese forces during the long colonial conflicts in Angola, Mozambique, and Portuguese Guinea through the 1960s and into the 1970s, before newer semi-automatic rifles took over.

Surplus M/937s eventually made their way to the United States through the collector and surplus-arms channels that brought large numbers of European military Mausers into the country in the postwar decades, giving today’s collectors relatively affordable access to a genuine pre-WWII contract Mauser.

Close-up of the bolt and receiver of the Portuguese M/937 Mauser rifle
Close-up of the bolt and receiver of the Portuguese M/937 Mauser rifle. Photo property of Eisel Armory.

Lookalikes and Cousins in the Mauser Family

Close-up of the muzzle and front sight assembly of the Portuguese M/937 Mauser rifle
Close-up of the muzzle and front sight assembly of the Portuguese M/937 Mauser rifle. Photo property of Eisel Armory.

Because it shares its action and general profile with Germany’s Karabiner 98k, the M/937 is sometimes mistaken for one at a glance — the giveaway is the Portuguese national crest and 1937 date stamped into the receiver ring rather than German Waffenamt codes.

It’s also closely related to Portugal’s own Mauser-Vergueiro, the earlier 6.5mm rifle it replaced, and to other contract Mausers built for export customers like Spain and Turkey during the same interwar period — all variations on the same proven Model 98 theme.

Why the M/937 Still Matters to Collectors

Eisel Armory doesn’t yet have a dedicated identification guide for the M/937, but its story is a compact lesson in interwar arms history: a German factory, under contract, arming a neutral country that would go on to carry that same rifle into colonial wars decades after WWII ended.

For collectors, that combination of German manufacturing quality and distinctly Portuguese markings makes a well-preserved M/937 a genuinely interesting piece of pre-WWII military history.

Close-up of the Portuguese national crest and 1937 date stamped on the receiver ring of the M/937 Mauser
Close-up of the Portuguese national crest and 1937 date stamped on the receiver ring. Photo property of Eisel Armory.

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The post Portuguese Model 1937 (M/937) Mauser Rifle appeared first on Eisel Armory.

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