Swiss K31 – Classic Swiss Military Straight-Pull Rifle

This Swiss K31 7.5×55 Swiss rifle is a military surplus bolt-action rifle known for its distinctive straight-pull action, precision Swiss engineering, and service history.

Developed for the Swiss military, the Karabiner Modell 1931 (K31) uses a straight-pull bolt system that distinguishes it from conventional turn-bolt military rifles. Chambered in 7.5×55 Swiss, the K31 remains a popular collectible among military surplus rifle enthusiasts.

Swiss Straight-Pull Action and Military Configuration

The rifle features the characteristic K31 straight-pull bolt with a prominent operating ring, detachable box magazine, adjustable military rear sight, and protected front sight.

Its full-length wooden stock and handguard retain the classic appearance of the Swiss military carbine. The metal components show a dark finish with visible handling wear.

Military Surplus Character

This example displays noticeable stock wear, including scratches, dents, and finish wear, particularly around the buttstock. The handguard and fore-end also show handling marks consistent with an older military rifle.

The photographs show the Swiss cross marking on the receiver, the straight-pull action, and visible serial-number markings. The rifle appears externally complete in its military-style configuration.

For collectors seeking a Swiss K31 straight-pull rifle in 7.5×55 Swiss, this example offers the distinctive mechanical design and historic character associated with Swiss military firearms.

 

Rifle Specifications

• Manufacturer: Swiss military production; specific manufacturer not independently confirmed

• Country of Origin: Switzerland

• Model: K31 / Karabiner Modell 1931

• Caliber: 7.5×55 Swiss

• Action: Straight-pull bolt action

• Magazine: Detachable box magazine, pictured

• Standard Magazine Capacity: 6 rounds

• Stock: Full-length military wood stock

• Handguard: Wood

• Finish: Dark blued military-style metal finish

• Sights: Adjustable military rear sight and protected front sight

• Bolt: Swiss straight-pull design with operating ring

• Receiver Marking: Swiss cross

• Serial Number: Visible on the rifle; matching status not verified

• Condition: Used military surplus

• Bore Condition: Not provided

• Included: Rifle with pictured magazine

Condition

Used — Military Surplus

The rifle shows noticeable cosmetic wear consistent with age and previous use. The wooden stock has scratches, dents, scuffs, and areas of worn finish, particularly around the buttstock and lower edges. The fore-end also displays handling marks.

The metal finish appears generally intact in the photographed areas, with some edge wear and surface marks. The Swiss cross and receiver serial-number marking are visible.

The rifle retains its military-style stock, sights, magazine, and straight-pull bolt assembly. Matching serial numbers, bore condition, headspace, and mechanical function have not been verified from the photographs.