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Gamo Viper Shadow Express with Nitro Piston


1-year limited warranty

  • Description
  • Specifications
  • Customer reviews
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The Viper Shadow Express has the power and penetration needed for hunting small game at medium-to-close ranges, making it a powerful pest control tool for your home, barn or garden. Adding a Crosman Nitro Piston delivers more benefits.

It's easy to switch back and forth between pellets and shotshells to optimize your hunting. The Shadow Express has an all-weather synthetic stock with a molded cheekpiece on both sides, making this a truly ambidextrous gun. The grip and forearm are texturized to give you a better hold, while the ventilated rubber buttpad absorbs recoil.

Here are the benefits of getting a Viper Shadow Express with a Crosman Nitro Piston conversion:
  • Smoother cocking
  • Smoother shooting
  • No spring torque
  • No spring fatigue, even if you leave it cocked for hours
  • Functions perfectly in cold weather
  • Lasts longer than a metal spring
  • Installed by our expert gunsmiths!
  • NOTE: Installation of the Crosman Nitro Piston will delay shipment by 24 hours (or one business day)
Installation of the Crosman Nitro Piston has a 1-year warranty.

Click on the AMMO link to stock up on pellets. The ACCESSORIES link has a list of fun targets, safety gear and much more.

other products by Gamo

0.22" (5.5mm)
900 fpsMeasured with 9.9 gr ammo
30 lbs
11mm dovetail
Two-stage adjustable
Ventilated rubber
Small game hunting/plinking
3.74 lbs
5.5 lbs

other products by Gamo

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Item DescriptionCaliberMax VelocityItemCode
.22 cal is an air shotgun & pellet gun with a Crosman Nitro Piston conversion. 900 fps with 9.9 gr PBA ammo & 730 fps with 12.6 gr lead pellets.
NOTE: Installation of the Crosman Nitro Piston will delay shipment by 24 hours (or one business day)
0.22" (5.5mm)900 fpsMeasured with 9.9 gr ammoGA-ViperSh-Gas [PY-1756-3577]


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