Quick Look
The .243 Winchester Super Short Magnum (WSSM) was introduced by Winchester in 2003 as a high-velocity, short-action cartridge. It was designed for flat shooting and quick follow-up shots with lightweight rifles. While it remains a niche choice, the .243 WSSM appeals to hunters seeking high performance in a compact package.
Why It's a Top Choice
- High velocity with flat trajectory for accurate shots
- Efficient short-action cartridge for lighter rifles
- Effective for varmint and medium game hunting
- Reduces recoil compared to magnum calibers
- Good barrel life due to moderate pressures
Key Variants
.243 WSSM Super Short Magnum — Designed for short-action rifles maximizing velocity and maneuverability.
.25 WSSM — Larger caliber sibling offering heavier bullets for bigger game.
Competitor Comparison Table
| Feature | .243 Wssm | .243 Winchester | 6.5 Creedmoor |
|---|---|---|---|
| MSRP | $45 per 20 rounds (ammo) | $40 per 20 rounds | $50 per 20 rounds |
| Capacity/Size | Short action, 2.8" case length | Standard action, 2.0" case length | Short action, 2.035" case length |
| Weight | Light rifles enabled | Moderate rifle weights | Moderate rifle weights |
| Optics-Ready | Yes | Yes | Yes |
| Trigger Type | Varies by rifle | Varies by rifle | Varies by rifle |
| Notable Pro | High velocity, short action | Wide ammo availability | Excellent long-range performance |
| Notable Con | Limited ammo availability | Less velocity than .243 WSSM | More recoil than .243 WSSM |
Best Use Cases
- Varmint and predator hunting
- Medium-sized game like deer
- Short-action rifle enthusiasts
- Range practice with flat trajectories
- Lightweight hunting setups
FAQs
Can I use .243 WSSM in a standard .243 Winchester rifle?
No. The .243 WSSM requires rifles specifically chambered for its shorter, wider case. It is not compatible with .243 Winchester chambers.
What is the main advantage of .243 WSSM over .243 Winchester?
The .243 WSSM offers higher velocity and flatter trajectories in a short-action rifle platform, improving maneuverability and follow-up shots.
How does .243 WSSM perform for hunting?
It performs well on varmint and medium game with reduced recoil and good terminal ballistics, suitable for ranges up to 300 yards.
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