jim maccari doesn't make kits for gamos, he only makes the springs that can be made to fit gamos. you would have to provide your own custom guide and top hat. a spring is just a spring without the correctly sized guide and top hat. rich from mich makes the guide kit to fit the maccari springs. rich's full tune kits will include a maccari spring, custom guide, a brass top hat, a trigger insert, the correct lubes, and can be added is a new compression seal. i have bought 2 kits from him so far. they work great. boosted the power and the smoothness of my guns. the most amazingly satisfying thing was the trigger insert. short and crisp. if you have any more question, you should contact him.
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