My first attempt is promising, but in need of adjustment. I got a 1” OD spacer that fits over 1/2” threads, drilled and tapped it, and put a Williams globe sight on it. I think I will try to find a 1/2-20 nut and a 1/2” lock washer, so I can keep it straight.
I got a Williams rear aperture, but it needed to move closer to my eye so I got a BKL riser.
I did some test shots in my basement and, at 10 yards, with the rear sight centered in its vertical movement, I am hitting about 6” high. When I move the rear sight all the way down, a 1/8” movement, my impact point moves down about 1.5”
So I think if I use a 1.5” spacer, moving the front sight up 1/2”, I should make up the 6”
I have a few weeks before the indoor airgun meetings start. I should be able to get it all dialed in by then. Hopefully I can find a pellet it likes in the 390fps range.
I got a Williams rear aperture, but it needed to move closer to my eye so I got a BKL riser.
I did some test shots in my basement and, at 10 yards, with the rear sight centered in its vertical movement, I am hitting about 6” high. When I move the rear sight all the way down, a 1/8” movement, my impact point moves down about 1.5”
So I think if I use a 1.5” spacer, moving the front sight up 1/2”, I should make up the 6”
I have a few weeks before the indoor airgun meetings start. I should be able to get it all dialed in by then. Hopefully I can find a pellet it likes in the 390fps range.
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