Schmidt Rubin K-31 Scout Mount - Weaver Style - S&K Mounts
Scope mount for Schmidt Rubin K-31 Scout. Rings not included. Uses Weaver style rings.
No drilling, tapping or major alteration. Guaranteed to hold zero. Can be removed and reinstalled easily. Requires a long eye relief scope. Made in the USA of top-grade virgin metal.
Installation instructions for the SWISS RUBIN K-31
Push the pin out at the front of the rear flip up sight. Remove the spring by lifting up at the rear and sliding it reward. Slide the flange nut into the under cut at the rear of the sight where the spring was. Place the mount over the flange nut with the (2) 3-48 tapped holes toward the barrel end. Line the 3-48 tapped holes in the mount up with the holes in the side of the receiver and put in the (2) 3-48 socket head screws. It is very important that these holes line up to keep from damaging the threads when the screws are installed. DO NOT TIGHTEN! Move the nut around with a pin in the hole until the round part of the nut slips into the counterbore in the bottom of the mount. Put the 10-32 x ¾ flat head screw (for the #3165) or the 10-32 x ⅝ flat head screw (for the #3170) through the mount and into the nut. Tighten this screw and the (2) 3-48 socket head screws. The 3-48 screws don’t need to be real tight! Put the 10-32 x ½ set screws down through the tapped holes in the top of the mount and tighten against the receiver. The purpose of the set screws is to keep pressure on the 3-48 socket head screws. Do not try to remove the 3-48 screws with the set screws tight! You can also get some vertical adjustment if you find your gun is shooting low. Loosen the 10-32 flat head screw & turn the set screw closest to the 10-32 screw clockwise. For every ¼ turn of the 10-32 set screw you will move approximately 8” at 100 yards. Retighten the 10-32 flathead screw.
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