Gamo Swarm Magnum Pro Gen3i .177 Break Barrel Air Rifle 10X
Gamo
$324.69
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Gamo
Gamo Swarm Magnum Pro Gen3i .177 Break Barrel Air Rifle 10X
The Gamo Swarm Magnum Pro Gen3i .177 Break Barrel Air Rifle delivers a breakthrough in semi-automatic-style airgunning, combining blistering IGT Mach 1 power with the brand's most advanced 10-shot rapid-reload technology yet.
- Patent-pending 10X GEN3i auto-indexing magazine fires 10 shots without manual reloading
- IGT Mach 1 gas piston (33 mm cylinder) generates velocities up to 1,300 FPS in .177
- Horizontal inertia-fed magazine indexes automatically using the rifle's natural recoil force
- Two-stage Custom Action Trigger (CAT) is independently adjustable for pull weight and travel
- Smooth, precise breech-loading process reduces felt friction and improves shot-to-shot consistency
- Sleek, modernized Gen3 profile with an ambidextrous all-weather synthetic stock
Who This Is For
The Swarm Magnum Pro Gen3i is ideal for serious backyard plinkers, small-game hunters, and pest control shooters who demand high velocity and rapid follow-up shots without the hassle of manually loading between each shot. Whether you're targeting ground squirrels at distance or running reactive targets in the yard, this air rifle keeps pace with your trigger finger.
Specifications
| Brand | Gamo |
|---|---|
| Model | Swarm Magnum Pro Gen3i |
| Caliber | .177 (4.5 mm) |
| Action | Break Barrel / Single Cock |
| Magazine Capacity | 10 Rounds (10X GEN3i) |
| Powerplant | IGT Mach 1 Gas Piston (33 mm cylinder) |
| Velocity (Lead) | Up to 1,300 FPS |
| Trigger | 2-Stage Adjustable CAT |
| Stock Material | All-Weather Synthetic |
| Overall Length | Approx. 46.8 in |
| Weight | Approx. 6.61 lbs |
| Optics Rail | 11 mm Dovetail |
Frequently Asked Questions
How does the 10X GEN3i inertia-fed magazine system work?
Unlike traditional break-barrel air rifles that require you to load a single pellet before each shot, the GEN3i system houses 10 pellets in a horizontal rotary magazine. When you cock the rifle by breaking the barrel, the recoil energy from the previous shot automatically indexes the magazine to the next pellet, positioning it perfectly in the breech. The result is faster, more consistent loading with minimal extra effort on your part.
What type of pellets work best in the Gamo Swarm Magnum Pro Gen3i?
This rifle is optimized for standard .177 caliber domed or pointed pellets in the 7.9–10.5 grain range. Gamo's own PBA Platinum or Raptor pellets can achieve maximum advertised velocity, but for hunting and pest control, a heavier lead dome such as the H&N Baracuda or JSB Exact will deliver better accuracy and terminal performance downrange. Avoid using hollow-point pellets with flared skirts, as they may not feed reliably through the rotary magazine.
Is the Gamo Swarm Magnum Pro Gen3i suitable for hunting small game?
Yes — with its IGT Mach 1 gas piston generating up to 1,300 FPS in .177, this rifle produces sufficient energy for ethical harvest of small pests and game such as squirrels, rabbits, and birds at practical airgun ranges (up to approximately 35–50 yards with a quality pellet). The 10-shot magazine gives you the ability to take quick follow-up shots, making it especially practical in pest control scenarios. Always verify your local regulations regarding the use of air rifles for hunting before heading afield.
