Quote Originally Posted by firstflabn View Post
Excellent photos; not so great on the math. Your reported .050" offset is not from the centerline; you have doubled the actual offset.

With no convenient reference point and no drawings, we can't know whether the hole and/or step down in the stock nose are mislocated (but if they couldn't manage to drill a hole perpendicular to the stock centerline, it doesn't exactly inspire confidence). Add the .025" skew in the hole location to the +.010" tolerance on the spring length and I'd guess by the eyeball method that you're approaching what shows as a gap between rear edge of band and stock step down. Distance from 'D' cutout in the barrel band to rear edge of band figures in too. Proper angle on the spring really matters if the wood has shrunk a bit from sanding.
The hole on the SA stock is about .05" closer to the "step down" on the right side than it is on the left. The difference between the two sides is the same whether you use the center line or the edge of the hole (welding rod) - hope this helps on the math question. Kuhnhausen's book does give the dimension for where the "step down" should be. The "step down" and the handguard dimensions all checked out. I didn't measure the cutout in the band though. The location of the hole on the left side is about where it ought to be according to comparisons I made with my other stocks. It's too bad Kuhnhausen's book doesn't show the actual dimension for hole location. - Bob

---------- Post added at 07:44 PM ---------- Previous post was at 07:38 PM ----------
Quote Originally Posted by JimF4M1sicon View Post
I love that chair, maybe skids on the bottom will help add some excitement on those icy mornings.
But you are showing our age with those calipers. I still occasionally race my slot cars and got ribbed by the younger guys for using dial calipers to check tire height. So I caved in and bought digital calipers.
I broke down and bought the dial caliper when I couldn't read my vernier anymore without getting a headache. I do have a digital, but since I can't actually see what makes it work, I don't trust it unless I check back and forth between the two! Also, it's too easy to leave it on and run the battery dead! - Bob
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