When I worked at MCAS Yuma, Az, we enjoyed a free civilian gun range that had a rifle range out to 1,000 yards. I used a scope on my rifle and had a Weaver K3 (3X) and a K10 (10X) scopes. (Variable power scopes worth anything were beyond my pay level back then.) I decided to see what I could do with my '06 at 1k. The issue was elevation. My base was a Redfield 1 pc JR steel base and Redfield's Medium 1" steel rings. There was no elevation built in and the required elevation for 1k was beyond the K10's range. Commercial shims weren't available to me back then...
I went to the range on an off-duty day during the week and had the range to myself. I zeroed the elevation on the scope. I used 1 oz lead fishing weights (the type with lead 'ears' and the slit down the body,) my mini-anvil (8" railroad rail piece) and a 1/4" steel plate to hammer my own shims. I don't remember the heights (so I looked at my micrometer and looked at what gaps looked close.) I shimmed both front and rear as I didn't want the steel rings to dint the aluminum scope tube. The front shim was between 2 and 3 inches, 3/8" wide and apx .020~ .030 inches thick. (I cut the shims in half and put apx equal pieces under and above the scope tube in the rings.) The rear shim was a[x the same length and width; but, the thickness started off around 0.10". I spent the morning trying out rear shim thickness on a couple of rear shim attempts. (The lead will deform enough under pressure to keep the scope safe while adding angle.)
I finally got on paper. I had burned up a quarter tank + of gas driving back and forth to the butts area. (No spotting scope
) I claimed success and removed the shims and rezeroed the scope at 200 yds and was good to go out to 5oo yds. Just remember, I'm an advanced hobbyist, so don't try this at home without professional counseling
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Posted: Wed Nov 20, 2019 9:33 pm 
