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1 of 1 people found the following review helpful:
By Alonzo from USA on 2014-07-31 10:05:13Things I liked:I had the spring in my 2008 Gamo Varmit Hunter 177 cal replaced with the Crosman Nitro Piston. The Varmit Hunter 177 is advertised to shoot 1000 FPS with lead and 1200 FPS with PBA. The test firing report after the conversion showed 925 FPS with lead ammo. This is a insignificant difference considering you are basically getting a new gun for half the cost of a new one. This is about what I get from my various my 22 cals with PBA. Overall I am very pleased with the results on the my Varmit Hunter. Although the nitro piston costs more than a new spring it is less half the cost of a new gun at$210.. Service and turn round time was excellent. One week. Technical report with gun.
Things I would have changed:Try to reduce V losses.
What others should know:You get your old gun fixed at a fair price plus all the benefits of the Nitro Piston some of which are: There is some noise reduction over the spring version You can leave the gun cocked longer without damage Loss of power was not significant considering benefits
0 of 0 people found the following review helpful:
By Michael from USA on 2011-12-07 14:55:11Things I liked:Not much. It was good while it lasted. But louder than advertised.
Things I would have changed:Make it not die after 200 rounds of 9gr. pellets. After 200 rounds of .177 polymags in my Whisper, it lost half it's power. Normally, says the repair dept who received my Whisper for repair, they die outright, mine did not. It lost half it's cocking force and pellets just rolled slowly down range. It did so AFTER the 1-year warranty. So I am out of luck and going back to spring, and paying for all the work to be done. My Whisper now cost me almost twice it's original price, and for what?
What others should know:I think the failure rate on these devices should be published on Pyramid's website. It might be higher than you think.