I see that chamber reamers often have the distance to the (rifling) lands measured as a distance from the case base to the lands. For example, I believe the Palma 95 reamer for 308 Win has that distance as 2.159"
How is freebore measured/defined? When somebody says his rifle has .150" of freebore, it's .150" from the lands to what?
It seems like freebore and throat depth are talked about a lot, but I don't see a good definition.
Case base to lands makes sense, though, but I don't see that used as often.
How is freebore measured/defined? When somebody says his rifle has .150" of freebore, it's .150" from the lands to what?
It seems like freebore and throat depth are talked about a lot, but I don't see a good definition.
Case base to lands makes sense, though, but I don't see that used as often.