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  5. S&K Schmidt Rubin K-31 Scout Mount -Accepts Weaver Rings- Rings NOT Included
S&K Schmidt Rubin K-31 Scout Mount -Accepts Weaver Rings- Rings NOT Included
S&K Schmidt Rubin K-31 Scout Mount -Accepts Weaver Rings- Rings NOT Included

S&K Schmidt Rubin K-31 Scout Mount -Accepts Weaver Rings- Rings NOT Included

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Price: $80.00
This Schmidt Rubin K-31 scout mount will mount a long eye relief scope to the rear sight of your old military rifle. Made with pride in the USA.
Part Number: 3170

No alteration needed

Will NOT fit 1889 K-Swiss

Weaver Base

Accepts Weaver Rings NOT INCLUDED

All Mounts marked "S&K Style Rings" do NOT work with Weaver Rings

Scope Not Included

Made In The USA!!!

Didn’t think it was possible to easily put a scope and mount on your old Schmidt Rubin K-31 without drilling and tapping? It is now with high quality, made in the USA scope mounts from S&K. These mounts are made with high quality materials and backed by S&K Scope Mounts. Outfit your old military rifle with a scope mount and long eye relief scope for better accuracy, longer ranges, more confidence, and more fun hunting or on the range!

Check out S&K’s line of scout mounts available for ex-military guns! These mounts do not require any alterations to the rifle, just removal of the iron sights. A long eye relief scope (Not Included) is required for a scout mount. A nifty way to scope your treasured gun without drilling or tapping. S&K Scope Mounts LLC supports American made. S&K manufactures all of their scope mounts here in PA with the best USA materials available. 

For Instant Scope Mounting of Ex-Military Firearms. No Drilling or Tapping Required



The BEST WAY to mount a scope on your ex-military rifle. WHY?

-No major alteration to your valuable firearm

-No drilling or tapping of the ultra-hard receiver

-Handsome ruggedness

-Guaranteed to hold zero

-Low cost for a quality product made in the USA!

-Unmatched versatility

-Can be removed and/or reinstalled easily

-Fast service

-Made In The USA


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 undercut 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 ? 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! For the # 3165 mount put the 10-32 x ½ set screws down through the tapped holes in the top of the mount and tighten against the receiver. For the # 3170 mount put the 10-32 x ½ set screw down thru the tapped hole at the front and tighten against the receiver & the 10-32 x 1/4 set screw down thru the tapped hole at the rear 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 screw 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.

CALIFORNIA RESIDENTS ONLY – WARNING: Some products may contain a chemical known to the State of California to cause cancer, or birth defects, or other reproductive harm. For more info, visit https://www.p65warnings.ca.gov/

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