Do you mean like this:Does this barrel exist?
Do you mean like this:
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Or like this:
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Or like this:
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So you can put a Dlask 12.5 inch barrel on a 22 as log as it remains 660 mm?
That is actually a barrel shroud made by kinetitech.
ht tp://www.kineti-tech.com/1-2-x-28-threaded-for-22-223-556/
remove the space between the 2 t's and cut and paste the address
You need a threaded barrel for these, but others are made to clamp on to your barrel with set screws.
Here is my SR-22 with a Kinetitech shroud on a Dlask 8" barrel, although mine does not have the holes:
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As you can see it fits the SR-22, I am not sure about the Troy chassis



























