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Ballistic & Conversion Calcs
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Crosman Nitro Piston Installation
5135 Naiman Parkway
Solon, OH 44139
The perfect upgrade for your Gamo Whisper air rifle.
Note: silver cylinder pictured is not included on item.
For professional installation only, no instructions provided.
Item Code: CR-PYRG-001 [PY-A-2103]
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Ballistic & Conversion Calcs
Weight | 2.0 lbs |
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5.0 5.0
5.0 5.0
Made by Crosman
Things I would have changed:Have the rifle come with it already installed....(Game Viper Express)
What others should know:See my review on the Gamo Viper Express
5.0 5.0
5.0 5.0
I ordered the nitro piston on 03/21/2017 and received it on 03/27/2017, Great FREE Shipping! I installed it the same day, and ran into a problem, my trigger would not fire ! I thought I had the wrong piston for my rifle, so i called PyramydAir, unfortunately i had to leave a message, but they did call back the next day to let me know that i had the right piston. I fixed the problem { i had put too much pressure on the piston with a washer causing the trigger group to lockup}. After removing the washer the rifle shoots GREAT!!! Much more power and accuracy, and i thought the spring unit was good, WOW !!! Thanks PyramydAir ,
Things I would have changed:Nothing !
What others should know:Watch the instructional videos and follow them to the T. Trying to re-invent the wheel can cause catastrophic problems.
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Is this the same piston that is in a crosman vantage np .177?
This item is no longer available.
will this fit a gamo swarm ?
No. It is also been discontinued.
Hi will this fit my crosmen Raven if not is there on that dose ?
The gas piton has been discontinued.
Out of Stock
Estimated in-stock date 06-04-24
Only 5 left in stock
.177 Caliber Loading Mechanism for Gamo Swarm Air RifleOnly 2 left in stock
AirForce 18" 12mm Barrel, .25 Cal, Lothar WaltherBuy With Confidence
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By bomber
5.0 5.0
3.0 3.0
This piston fits many different rifles . It is quieter than a metal spring , and generates way less recoil . It' also less damaging to scopes .
Things I would have changed:The only change is this - Quit producing "springer" air guns and make only "gasser" air guns (nitro piston) .
What others should know:I own two air rifles with this piston already installed . Crossman F4 .177 ,and a Benjamin prowler .22 . I can't believe the difference in noise and recoil compared to my Gamo shadow whisper . I plan on buying one of these pistons and installing it in my Gamo . There are many tutorials on Youtube showing step by step how to install these pistons . The only special tools needed is a bar clamp to compress the spring or piston assembly to remove or replace the pin during disassembly and assembly .