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by Air Venturi

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  • Currently 4.60/5

Rating: 4.6/5 (5 votes cast)

Review this product
24 December 2008  

Things I liked: Wow, very smooth cocking effort and very quiet. I fired a JSB .177 through my Varmint Hunter and it sounded like a BB gun. I thought something was wrong? I fired three Raptor PBA pellets and each one sounded like a 22. I can't wait to setup my targets and see what kind of groups I get at 20 yards. using predators and exacts. I did notice a slight kick, but no spring twang or vibration.
Things I would have changed: nothing
What others should know: I can't wait to see what this will do to pest birds and varmints? Once again, Pyramyd Air did a great job of getting my rifle conversion done and back to me very quickly. Great Job!
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31 October 2008  

Things I liked: The gas spring conversion and a charlie trigger makes this hard combo to beat. Better grouping and more power are great. The help I got from Pyramid was fantastic and I greatly appreciated it very much Thanks,Bob
Things I would have changed: Nothing, keep up the great service I've already told all my friends about you.Pyramid goes the extra distance for it's customers and it's really means alot to us, Thank you.
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12 September 2008  

Things I liked: -no twang -less recoil -more power( chrono before 981 and after 1170 with rws superdome in cal.177) -steady firing
Things I would have changed: some kind of fitting instructions for the less experienced gunsmith.
What others should know: It's just a great upgrade for any gamo airrifle, i've also upgraded the trigger unit with a charlie trigger. These two items makes a gamo airrifle a great rifle that can compete with the higher rated (costing) airguns. BUT...i'm lucky to have a lot of experience with air and fire arms and therefore have a lot of tools including a spring compressor. If you don't have the experience or the tools let some one do the conversion that has. greeting from holland
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19 July 2008  

Things I liked: No more torque, twang, buzz. TIghter groups. Hold sensativity isn't as critical. Consistent power. Easy installation in a Big Cat/Shadow or any Gamo power plant.
Things I would have changed: INCLUDE AT LEAST MINIMUM INSTALLATION INSTRUCTIONS OR A COUPLE OF PHOTOS!!! That's unacceptable this day and age, people. Shame on you Air Venturi and Pyramyd. Nothing but a warrantee card and declaration of non-responsibility was in my box. Found what I needed on the net, but it would have been nice to see one simple photograph that would confirm proper orientation, etc. This is OLD technology. Nothing unique here except for the plastic boot on the butt end - overpriced. Bring the price down to what gas springs are.
What others should know: I'm no airgun snob who would insist his gun fire the same in winter and summer temps. The bbs' are full of them bashing gas spring technology and would have you believe that a mere few degrees will have you shooting completely off target. NOT TRUE! Sure you will see very subtile changes in velocity (and accuracy) as temps change. Just hold over 1/8" on really cold days. It will take a large temp difference before you will notice an accuracy difference -- on the order of 40 degrees or more. And then the performance difference is very very small - a non-issue in my opinion. This mod keeps me picking up and shooting my gun for hours a day. Comfortable, fun, lessened hold sensativity, raised my accuracy, and power has increased and become much more consistent. My gun would only launch 1 out of 10 PBA's supersonic. Now, every shot goes supersonic. Groups have tightened up considerably. I'd have never thought my WallyWorld Gamo could shoot 1/2" 5 shot groups at 20 yards. Occassionaly, a little better. That's what consistent power, and non-hold sensitivity will do for ya-- and that's what this gas spring does. For those that are really into tweeking, tuning, modification, experimentation and have the tools to do so. Go to an autoparts store with your gun measurements and buy 3 or 4 gas springs for the cost of this thing. Then enjoy the fun of experimentation, SAFELY!
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19 June 2008  

Things I liked: This is the best upgrade you can buy for your rifle!!!!! It eliminates that annoying twang and thud from the spring. It makes the gun much smoother shooting.
Things I would have changed: Not a thing !!!!
What others should know: This upgrade will change your gun from a alright gun to Sweet shooting rifle. The effort to cock the gun will increase but worth every pound of it. I believe the velocity of my gun increased as well. If you haven't installed a GRT III trigger, do that also..
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