Moderator: MudBug
540guns wrote:Ok thank you what would think it would be on a 20 in barrel
pitted bore wrote:540guns wrote:Ok thank you what would think it would be on a 20 in barrel
540guns-
Here's what the Lyman AR manual says about the difference in velocity due to barrel length:
We used the 16" barrel for out data, however we also test fired the 20" barrel and found that it would produce about 100 fps more velocity than the 16" barrel.
The 100 fps value is only a rough estimate, of course.
--Bob
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