So I’m clear on this, to change calibers do I need the kit if I have the .30 and want to go to .22 or .25 or will my shroud work and I can buy the remaining parts. Liner, probe etc…
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Impact mkii caliber change
- Thread starter Grizz1148
- Start date
kit is the easiest way. otherwise you need a new tension nut, barrel adapter, transfer port and probe. the fat outter shrouds are all the same I believe.
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It's best to buy a barrel kit but you can make it work with a liner, brass inlet and pellet probe. The liner would need slightly thicker o-rings for support or whatever way you choose to take up the space. The brass inlet needs to be heated a little to release the thread locker and don't squeeze it hard or it will deform. I ran a 700mm .22 liner in a .30 barrel for a long time and it shot great. If you're not comfortable doing the work then you should buy a barrel kit.
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Besides the liner you would also need parts 1 through 11 plus #21.
https://fxairguns.com/wp-content/uploads/2021/04/F10373-pipkit-impact.pdf
https://fxairguns.com/wp-content/uploads/2021/04/F10373-pipkit-impact.pdf
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Huma sells a “caliber kit” that doesn’t include the liner or shroud. Says it’s to use the “ existing “ shroud but I don’t believe there is 11 or 12 parts there. I just want to be sure of what I’m ordering.
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https://www.trenieroutdoors.com/airguns/fx-airguns/fx-airguns-3/huma-air-fx-impact-caliber-kit-pellet-probe-25-cal/
anybody know if this will work switching from .30 to .25 with a liner of course?
anybody know if this will work switching from .30 to .25 with a liner of course?
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Before you buy a bunch of parts I'd just like to say that you would be much happier with a barrel kit being able to swap calibers faster and you could always sell it if you don't want it.
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This says it includes supporting o rings, would I need orings other than what it comes with?
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I found them there and ordered the kit but after 3 days they messaged me and said they cannot ship the parts to the US.
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I have a 700mm .25 kit with a pellet A liner, probe (2 shots through it) and used Slug A liner. But the shroud is the Canadian model so it's non functioning for sale. PM me if interested but would be shipped from Canada.
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I purchased the kit from Huma and it was delivered quickly. At the bottom of each page Huma will let you know what they will ship to the USA. I order from Huma all the time; most items in stock and they ship faster to the USA than I receive items I purchase state side.
Keep checking around for the barrel conversion at some of the known smaller shops; some have 600mm and 700mm in different calibers in stock. I've even seen the 600mm and 700mm in .35 are being shown but with zero stock.
Keep checking around for the barrel conversion at some of the known smaller shops; some have 600mm and 700mm in different calibers in stock. I've even seen the 600mm and 700mm in .35 are being shown but with zero stock.
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Palm Beach had a 600mm .25 barrel kit in stock last I checked. I didn't mention it because I thought you wanted 700mm. Edit: it's still in stock https://palmbeachairguns.com/product/fx-impact-smooth-twist-x-barrel-kits/
You can also use a barrel extension on the 600mm to run a 700mm liner. That's the way my .22 barrel is now.
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