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£ 600
Schmidt Rubin K31 / 1931 Straight Pull 7.5 x 55 Rifles
Orridge & Orridge Ltd
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ad ref. GS1257ED4
£ 600

Schmidt Rubin K31 / 1931 Straight Pull 7.5 x 55 Rifles

RiflesStraight PullUsed£ 600 ONO

A very good and hardly shot Schmidt K31 IN 7.7 X 55 Swiss straight pull rifle.

This has all matching numbers and has a superb bore.

This is as clean as they come.

Rifle Name: Modell 1931 Carbine
Alternate name: K31
Manufacturer: Eidgenössische Waffenfabrik Bern (W+F)
Calibre: 7.5x55 GP11
First Issued: 1931
Number of Pieces: 528230
Overall Length: 1107 mm
Weight (unloaded): 4000 g
Barrel Length: 652 mm
Line of Sight: 568 mm
Rifling: 270 mm
Rifling Dir.: R
Grooves: 4
Magazine Capacity: 6 Rounds
Permission required: Ger: Schriftlicher Vertrag, Meldung an zuständige Polizeibehörde.
Modell 1931 Carbine Modell 1931 Carbine

The model 31 carbine (K31) was constructed as a simplified and, seen from the locking system, shortened version of the Modell 1911 Carbine. However, it should have the same precision as the Modell 1911 Infantry Rifle, i.e. it should have a longer barrel and a longer sight line than the Modell 1911 Carbine. These requirements have been met by redesigning the action.
The carbine 31 was introduced in 1933 and remained in active use until the 1980s. From 1957 it was gradually replaced by the Assault Rifle 57.

The Karabiner Model 1931 (K31) is a magazine-fed, straight-pull bolt-action rifle. It was the standard issue rifle of the Swiss armed forces from 1933 until 1958, though examples remained in service into the 1970s. It has a 6-round removable magazine, and is chambered for the 7.5x55mm Swiss (also known as Gewehrpatrone 1911, GP11, or unofficially 7.5x55mm Schmidt Rubin), a cartridge with ballistic qualities similar to the 7.62x51mm NATO/.308 Winchester cartridge. Each rifle included a 6 round detachable box magazine with matching engraved serial number. A stripper clip loads the magazine from the top of the receiver. Although the K31 is a straight-pull carbine like many other Swiss rifles, it was not designed by Rudolf Schmidt (1832–1898) as he was not alive to do so. The K31 was a totally new design by Eidgenossische Waffenfabrik in Bern, Switzerland under Colonel Furrer, and the gun does not have the Schmidt-designed 1889 or 1896 action. The first 200 K31s were made in May 1931 for troop trials (serials 500,001 - 500,200), thus the model number of 1931. Distinctions: The K31 is noted for its straight-pull action, meaning that the bolt is pulled directly back, then pushed forward to cycle the action between shots, rather than being turned and pulled back and forth, as in the Mosin Nagant pattern rifles such as the M1891, or as in the more well known Mauser pattern rifles such as the K98k. K31s are also noted for their excellent accuracy and quality. The Swiss considered individual marksmanship to be of utmost importance. Therefore, the K31 was made with tight tolerances and excellent overall craftsmanship. Many shooters are able to achieve one minute of arc with unmodified K31s. This means that a group of bullets shot at 100 yards will stay within a 1" diameter area, a group at 200 yards will stay within 2", etc. This is achievable with factory sights. Clamp-on sighting options for scopes and competition sights make it easier to mount a scope on the receiver. K31s use a unique formed phenolic resin embedded paper charging clip with a tinned metal edge holding six rounds. Whereas most charger clips only hold the end of the round, the K31 charger nearly covers the entire cartridge. The clip has a guide slot wide enough for a gloved thumb to force rounds down and into the magazine in one smooth motion. Many collectors of the K31 have removed the butt plate and recovered a small tag of plasticized paper from beneath it. This slip contains the name and address of the Swiss citizen to whom the rifle was issued. In some cases, collectors have used the information to contact the previous owners, and have recounted the details of those encounters on a variety of collector's web forums. Sights: The standard sights on a K31 are open sights that can be adjusted for both windage and elevation. The rear sight is graduated from 100 up to 1500 meters in 100 meter increments. The sight line can be adjusted with a front sight adjustment tool. Moving the front post 1 mm horizontally results in a 12 cm shift at 300 m. To adjust the average height of the point of impact 5 front posts ranging from 5.9 to 7.1 mm height in 0.3 mm increments are available.[citation needed] The change in impact height from one front site to the next is 16 cm at 300 m. Starting at 300 meters the shooter should aim just below the bottom of the target, so that the front sight's post is out of the way.[3] Mounting a scope conventionally is not easily done because of the design of the action, but there are specialized scope mounts available.[4] As the Swiss still have a militia army where soldiers sometimes keep their rifles for a lifetime many aftermarket sights were available, Waffenfabrik Bern made the "S" and "K" (Klammer) diopter sights, Wyss makes the "W" diopter and Furter, Haemmerli and Gruenig and Elmiger made now rare special windage and elevation fine-correctors, Sahli and many other made elevation fine correctors and these days a company by the name of Swiss Products in the USA makes a clamp-on diopter which was recently approved for use at official Swiss shooting matches.
...Read full description
SubcategoryStraight Pull
Price£ 600 ONO
Sale typeTrade
Calibre7.5 x 55
ModelK31 / 1931
MechanismStraight Pull
CertificateFirearm - Section 1
OrientationRight Handed
Your referenceO&O275
Gun StatusActivated
Recommended UsageVarious
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Orridge & Orridge Ltd
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