Talking about fx liners. Is the only thing different between slug liner and pellet liner is just the difference twist rate? Both are choked right? How to I tell if I have a slug liner or a pellet liner? Is there a way to look at the liner and know what liner you have or what the twist rate is. How do you measure twist rate?
Slug vs pellet liners what's the difference?
- Thread starter 2fast2furious
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The twist rates are different and the chokes are different too. Matt Dubber wouldn’t tell me exactly what the difference is though. A trade secret I guess. To find out which is which, you have to measure the twist rate of the liner. Mark the beginning of the twist on the exterior of the liner and mark the end of the twist after it’s made one complete revolution around the exterior of the barrel from where the twist started. Then measure that distance. You should get something like 1:21” for example.
Stoti
Stoti
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The slug liners ought to have a bit less choke I'd think. I know the choke is a bit different, but I'd have to think it'd require less due to the type of projectile
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https://www.airgunnation.com/topic/official-fx-stx-barrel-liner-twist-rates/
And yeah id imagine less choke like said above for the slug liner.
And yeah id imagine less choke like said above for the slug liner.
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I think he said the choke was shorter and not as tight. There was also something different between the slug and pellet liners that had to do with the depth of the smooth twist rifling. I want to say in the slug liners the rifling isn't as tight or restrictive either. It's all proprietary, so like I said, he was pretty tight lipped about it. Totally understandable since it's a trade secret and the accuracy of their barrels is one of their major selling points. The point is that there's more to the difference in barrels than just the choke and twist rates.
Stoti
Stoti
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Follow 1 groove from the outside until gets a full revolution, and measure it. Very easy to do with FX Liners.
As Stoti and other mention, twist rate and choke. Some says slugs needs barrels/liners do not need choke. (not correct, some have choke others do not).
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Is there anywhere to get specs on FX liners? What if the inside and outside diameters of the liners?
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