This scout mount replaces the original rear ramped sights. Long-eye relief scope is recommended. No drilling, tapping or major alteration. Guaranteed to hold zero. Can be removed and reinstalled easily. Made in the USA of top grade military allan aircraft aluminum. Rings not included - accepts Weaver rings.

Installation instructions for the MOSIN NAGANT

Push the pin out at the front of the rear flip sight. Remove the spring by sliding it forward and lifting it out. 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) 4-40 tapped holes toward the barrel end. Line the 4-40 holes in the mount up with the holes in the side of the receiver. It is very important that these holes line up to keep from damaging the threads when the screws are installed. Put in the (2) 4-40 button head screws. Do not tighten!!!
Place a pin, drill, etc. through the countersunk hole in the top of the mount and into the hole in the special nut. Move the nut around with the pin until the round part of the nut slips into the counter-bore in the bottom of the mount. Put the 10-32 x 5/8 flat head screw through the mount and into the nut. Tighten this screw and the (2) 4-40 button head screws. Put the 10-32 x ½ set screw down through the tapped hole in the top of the mount and tighten against the receiver. The purpose of this set screw is to keep pressure on the 4-40 button head screws. You can also get some vertical adjustment if you find your gun is shooting low. Loosen the 10-32 flathead screw & turn the set screw clockwise. For every ¼ turn of the set screw you will move approximately 8” at 100 yards. Retighten the 10-32 flathead screw.