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*Offer expires 04/30/24 at 3 a.m. ET. Some exclusions apply.
WARNING This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov 
Gamo broke the mold when it released the original Swarm Maxxim, the first successful multi-shot breakbarrel in over a decade. Now comes the Gamo Swarm Magnum the most powerful Swarm yet.
The Swarm Magnum is sure to become the definitive Swarm, taking everything shooters loved about the original and dropping in a revved-up IGT Mach 1 gas piston and Whisper Fusion technology to deliver next-level power as quietly as possible. If noise isn't a concern, there is also an unshrouded version that delivers all of the same power and quick follow up shot capability.
Featuring some of Gamo’s best technologies, the Swarm Magnum has all the benefits of gas-pistons including easy cocking, smoother shooting, and the ability to fire in cold weather. Once shooters load up their 10-shot rotary magazine, the Magnum can spit .22 cal. pellets at speeds up to 1,300 fps, a full 300 fps faster than the Maxxim. After every shot, simply break the barrel and the magazine automatically loads the next round into the breech. This perfected system has been left unchanged for multiple shots as fast as you can cock the barrel.
The Magnum’s stock has changed for the better as well. Featuring a glass filled nylon synthetic thumbhole stock, the Magnum provides shooters with a comfortable hold in all-weather conditions. Resting atop the stock is an 11mm Dovetail Recoil Reducing Rail System (RRR), designed to reduce recoil stress on your included 3-9x40 scope. For crisp trigger pulls, the Magnum features Gamo’s Custom Action Trigger (CAT), an independently adjustable 2-stage trigger.
If you want the most powerful version of this revolutionary multi-shot breakbarrel available, choose the Swarm Magnum!
Gamo Swarm Magnum Multi-shot Air Rifle
Optics Features:
Benefits of IGT over Spring Piston:
| Max Velocity | 1300 fps |
| Overall Length | 49.2" |
| Buttplate | Rubber |
| Function | Repeater |
| Weight | 6.88 lbs |
| Scopeable | 11mm dovetail |
| Safety | Manual |
| Suggested for | Small game hunting/plinking |
| Caliber | .22 (5.5mm) |
| Muzzle Energy | 26.6 ft/lbs |
| Loudness | 3-Medium |
| Barrel Length | 21.3" |
| Shot Capacity | 10 |
| Cocking Effort | 41 lbs |
| Barrel | Rifled |
| Front Sight | none |
| Rear Sight | none |
| Trigger | Two-stage adjustable |
| Action | Break barrel |
| Powerplant | Gas-piston |
| Body Type | Rifle |
| Shrouded | Yes |
| Upgrades | Shrouded |
4.5 (95 reviews)Create an online review
5.0 5.0
5.0 5.0
5.0 5.0
Power and accuracy
Things I would have changed:Nothing
What others should know:Very accurate, very powerful
3.0 3.0
3.0 3.0
4.0 4.0
Power and accuracy
Things I would have changed:Bought twice returned twice, magazine broke down first, then shroud shattered second time
What others should know:Awesome gun for two weeks each time before it breaks :(
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Can you shoot slugs out of the gamo swarm magnum 10x gen 2 .22 cal and if so what slugs
hi, i have problem whith my air rifle Gamo reply 10x Magnum .177, which pelets can i use for beter accuracy. thank yoy
Try 9 and 10 gr domed pellets. Air Arms,JSB, or H&N
When will the Magnum version be available ? The Fusion is a whole different model . It looks like the one pictured but with the updated mag and open sights .
This mode; should be in stock late July /early Aug. This is a estimate.
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By Jim
the gun works great
Things I would have changed:scope is not good
What others should know:should sell the gun with out the scope, give people the option to buy with scope or without.