Swiss Karabiner Model 1931

10/11/2008

The Swiss Karabiner Model 31 (K31) was introduced in 1932 and was the standard issue weapon of the Swiss Military until 1958. It continues to survive in the hands of collector's and shooting enthusiast from around the world. The K31 is one of the most accurate bolt action surplus rifles on the market today. At this time (4/2006) the prices range from $70 to $300 depending on condition and availability. The supply of imported K31s has started to dry up and thus the prices have started to climb. As of 10/11/2008 prices from the online distributors range from $170 and up. The rifles appear to top out at about $350 for a very nice example.


The following photos are of a 1940 K31 in a Walnut Stock. There is no troop tag under the buttplate on this rifle. This is 1 out of 13 that have been in my collection that does not have a troop tag. This may be do to the rifle being sold to the soldier at the end of his service. This rifle has P in front of the serial number on the barrel shank and a P on top of the receiver to indicated it was sold to the Soldier and Privatized.

1940 K31 Right Side View.

Swiss K31 1940 Left Side View.

Tiger Stripes on Handguard.

Swiss K31 Handguard. Showing modification to channel in handguard.

Channel in handguard has been modified. Not sure if this is an arsenal repair or done by the former owner.

P mark on receiver.

The P on the Receiver indicates this was sold to the Soldier at the end of his service.
The P indicates the rifle is now in Private hands.

P marked in front of barrel shank serial number.

The P in front of the barrel serial number indicates this was sold to the Soldier at the end of his service.
The P indicates the rifle is now in Private hands.

Overall Length: 43.6 inches
Barrel Length: 25.65 inches
Weight: 8.85 pounds
Caliber: 7.5x55.6mm (Swiss GP11)
Magazine Capasity: 6
Maximum Chamber Pressure: 45,500 psi

K31 Brass Muzzle Cap

Swiss K31 Brass Muzzle Cap.

K31 Muzzle Caps were made of either brass or aluminum. I have been told that the aluminum muzzle caps were made during WWII due to brass being use in ammunition manufacture.

K31 Aluminum and Brass Muzzle Caps. K31 Aluminum and Brass Muzzle Caps.
Photos show Aluminum Muzzle Cap on the Left and a Brass Muzzle Cap on the Right.
Both of these muzzle caps have the Swiss Cross acceptance mark and are also both marked R.
I believe the R stands for Parts Inspector Reymann.

K31 Family Photo.

A family of K31 rifles.


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