« Reply #1 on: April 10, 2010, 02:10:24 PM »
Well Pyramyd puts gas rams in Whispers which is the same barrel except does not have the muzzle brake. Personally I would not want a gas ram in a light synthetic stocked air gun like your Big Cat. I am speaking of longevity of the gun. Gamo has been changing over to mostly polymer composite barrels and breech's. They have done away with good old steel and steel bushings and thrust washers. If Gamo keeps going in the direction it is then eventually most all there 1000 fps air guns will be 100% plastic..

Not good in my opinion. I would not be afraid to put a gas ram in a Gamo Hunter model. They have steel barrels and breech's. And they will last a long time...

I am holding onto my Gamo's with the steel barrels and breech's.
And to do the gas conversion right you will need some tools. You will need to make a few parts.
Good Luck

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