The Gamo Swarm Magnum 10X GEN3i is one of the most advanced breakbarrel rifles in Gamo’s lineup, combining multi-shot convenience with gas piston technology and serious velocity. It’s designed for pest control, small game hunting, and target shooting, while offering smoother cocking and reduced vibration compared to traditional spring-piston rifles.
Key Highlights
- 10X GEN3i Quick-Shot magazine — inertia-fed system gives 10 shots before reloading.
- IGT Mach 1 gas piston — smoother cocking, less vibration, better cold-weather performance, and longer lifespan.
- Velocity — up to 1650 fps with alloy pellets.
- Custom Action Trigger (CAT) — 2-stage adjustable for crisp, personalized breaks.
- Whisper Fusion noise suppression — Gamo’s highest level of integrated sound reduction.
- Shock Wave Absorber recoil pad — reduces felt recoil by up to 74%.
- All-weather thumbhole stock — glass-filled nylon with checkering for grip in wet conditions.
- Recoil Reducing Rail (RRR) — protects optics from recoil stress.
- Scope included — 3–9×40 fogproof, waterproof, shockproof scope with rings.
Specifications
| Spec | Value |
|---|---|
| Caliber | .177 |
| Velocity | 1650 fps (alloy) |
| Powerplant | IGT Mach 1 gas piston |
| Action | Breakbarrel |
| Magazine capacity | 10 shots |
| Trigger | 2-stage CAT, adjustable |
| Noise suppression | Whisper Fusion |
| Stock | Synthetic thumbhole, all-weather |
| Barrel length | 21.3″ |
| Overall length | 49″ |
| Recoil pad | SWA (Shock Wave Absorber) |
| Rail type | Recoil Reducing Rail (RRR) |
| Warranty | 5 years |
| Scope | 3–9×40, 1″ tube, 30/30 reticle, waterproof/fogproof/shockproof |
The Swarm Magnum GEN3i is essentially Gamo’s flagship multi-shot breakbarrel — combining speed, power, and comfort features like noise suppression and recoil reduction. It’s a strong choice for shooters who want the convenience of a magazine-fed breakbarrel with serious hunting-level performance.

















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