Tuning Anyone use this JM kit in their HW50?

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Mycapt65

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Apr 24, 2019
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Hey gang, I recently replaced the spring in a 5 year old PG2 kit and it must not be a great fit because there's some annoying buzz that wasn't there before.

I'd like to try this JM kit in my 2018 Hw50 so I was wondering if anyone has tried it and what kind of power you're getting out of it.

Thanks Ron

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maybe these company's are making fatigue dated springs ? i remember as a kid i had a model 25 BB gun it was at least 10 years old when i got it and had not been taken care of , and i didnt take care of it . it never broke . YES i know about metal fatigue . worked in a Metalogical lab . Springs these days seem to have a life or 10K .12K . which i admit is way more than a normal guy would shoot in a lifetime , but "we" are not the norm.
 
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Ron that's the kit I put in my HW50 .20 cal. It shoots very nice, no spring twang, nice shot cycle. Unfortunately I can't give you and numbers as I have not shot it over the chrony. I also installed a plastic piston liner at the same time. One of these days I plan on shooting all my guns over the Chronograph for baselines, I just haven't had time.
 
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jccams said:
Ron that's the kit I put in my HW50 .20 cal. It shoots very nice, no spring twang, nice shot cycle. Unfortunately I can't give you and numbers as I have not shot it over the chrony. I also installed a plastic piston liner at the same time. One of these days I plan on shooting all my guns over the Chronograph for baselines, I just haven't had time.
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Thanks Jeff. Do you know if it was this particular kit? It says "New" dated 4/19. Not sure that's month/day in this past year or month/year.
Thanks
Ron
 
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