Quick Look
The K31 is a Swiss straight-pull bolt-action rifle introduced in 1933, famed for its precise craftsmanship. Designed for quick cycling and accuracy, it serves as a durable military surplus rifle. Today, it is popular among collectors and marksmen valuing vintage reliability.
Why It's a Top Choice
- Unique straight-pull bolt action allows fast follow-up shots
- Exceptional Swiss-made accuracy and build quality
- Robust and reliable military surplus design
- Highly regarded collector's item with historical value
- Chambered in effective 7.5x55mm Swiss cartridge
Key Variants
K31 Standard
Classic infantry model suitable for general marksmanship and collection.
K31 Sniper
Equipped with a scope for long-range precision shooting.
K31 Carbine
Shorter barrel variant designed for easier handling and maneuverability.
Competitor Comparison Table
| Feature | K31 | Mosin Nagant | Mauser 1989 |
|---|---|---|---|
| MSRP | $1200–$1700 (used) | $500–$1000 (used) | $1400–$1900 (used) |
| Capacity/Size | 6 rounds, 7.5x55mm | 5 rounds, 7.62x54mmR | 5 rounds, 7.62x51mm NATO |
| Weight | 8.6 lbs | 8.8 lbs | 8.6 lbs |
| Optics-Ready | Limited stock scope mounts | Requires gunsmithing | Standard scope mounts |
| Trigger Type | Straight-pull bolt | Turn-bolt action | Bolt action |
| Notable Pro | Fast cycling, Swiss precision | Durable, widely available | Modernized classic design |
| Notable Con | Limited aftermarket parts | Heavier recoil | Higher price used |
Best Use Cases
- Precision target shooting and marksmanship
- Military surplus collection and historical interest
- Hunting medium-sized game with 7.5x55mm Swiss
- Range practice focusing on bolt-action proficiency
- Vintage firearm competition matches
FAQs
Can I mount modern optics on a K31?
Yes, with aftermarket scope mounts designed for the K31’s rear dovetail, modern optics can be securely attached.
What caliber does the K31 use?
The K31 is chambered in 7.5x55mm Swiss, a highly accurate and effective rifle cartridge.
How does the straight-pull bolt action benefit shooting?
It allows faster cycling compared to traditional turn-bolt actions, enabling quicker follow-up shots with minimal disruption.







