Description
Item Description
Model: K31
Serial: 941377
Date of Manufacture: 1950
Caliber: 7.5mm Swiss
Finish: Blue
Barrel Length: 25 5/8"
Optics/Sights: Protected Blade Front / Elevator Rear
Stock/Grips: Smooth Walnut
Action: Straight-Pull
Markings: Standard
Bryant Ridge's Analysis:
While other straight pulls have conventional bolt knobs, the Swiss early on thought more uniquely. Straight-pull mechanisms usually require more effort than turn-bolt designs, and the Swiss bolt has a comfortable aluminum “T” handle to pull.
The position of the giant ring at the back shows at a glance to shooter or observer whether the rifle is cocked, uncocked or on Safe. The pull weight to open the bolt after firing is 23 pounds, measured with an RCBS machine gun trigger pull gauge. The bolt is numbered to the gun.
This giant ring is large enough for gloved hands, but one flaw is that engaging and disengaging the safety is awkward for right-handers. The ring, which requires 16 pounds of effort to draw, is pulled and turned 45 degrees to the right to apply, and you have to reach over it to manipulate it. From a rest, it is easily manipulated left-handed.
When the rifle is on Safe, the trigger is disconnected and the bolt locked closed. In the event of a misfire, a yank on the ring cocks the rifle for a second try. The two-stage trigger has a lot of light take-up before breaking crisply at five pounds. The trigger assembly is one of the most complex ever put into a military rifle, and the let-off is exquisite.
The rifle is heavy at nine pounds, 15 ounces unloaded, yet it handles well and the balance is right between the hands. At 43.5 inches long, it is a handy carbine length, but it is a wide rifle measuring a good two inches across the widest part. A quick taper and thoughtful finger grooves placed right at the balance point ease one-hand carry in addition to aiming, but it still feels bulky. As befits a rifle designed for cold weather use, the length of pull is a short 12.5 inches.
The 255/8–inch four-groove barrel has a 1:10.63 twist, open sights with a U-notch rear adjustable for elevation only and graduated from 100 to 1,500 meters with an adjustment wheel under the leaf to fine-tune the zero. The post front sight is uniquely adjustable for windage by drifting the sight forward or backward in an angled dovetail.
The follower of the six-shot magazine holds the bolt open after the last shot, and it’s recharged from the top singly or by a strange-looking, fragile six-shot charger made of tin and papier-mâché. Very complex for a single-use item, these chargers were never used in anger, and they’re often found in nice condition—with new ones made of plastic available from Numrich or Northridge International.
The easily detachable magazine is held in place on the right side by a spring latch to a trigger guard, and the bottom metal is stamped from heavy-gauge sheet metal. Although the magazine extends about an inch below the rifle, it is nicely contoured with rounded edges and not prone to snagging or causing discomfort. The rifle came with one magazine numbered to the gun.
Return Policy:We gladly offer a 3 day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Shipping Details
Handgun Standard Shipping $50.00
Long Gun Standard Shipping $65.00
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Payment Details
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Return Policy
We gladly offer a 3 day unfired inspection policy from the time that the firearm is delivered to your FFL. Refunds are available for all qualifying orders.
Additional Details
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