Rifling in .22LR Model 22LLR with 1 5/8" Barrel

[Doctor J]

Hello--

This is my first post.  Got my .22 LLR on Friday and love it.  I want to know the rifling specs:  How many lands/grooves, which direction (RH/LH) and what's the pitch?  I've read 1:8 and 1:12 for other models.  Thanks!

Doctor J