Mosin Nagant: Install a Bent Bolt

Nearly all Mosin Nagants issued used a straight bolt, making installation of a scope a difficult task.
Nearly all Mosin Nagants issued used a straight bolt, making installation of a scope a difficult task. | Source

The Mosin Nagant was originally designed and produced without the option of a scope. Mosin Nagants weren't issued with a scope until the early 1930s, when the M91/30 was fitted with a scope for snipers. Original scopes are considered expensive collector's pieces today, and aren't sensible to put on a Nagant that is shot regularly. An alternative to an original scope and mount is a bent bolt, which allows several types of scopes and mounts to be installed.

The bolt is bent to allow clearance of a scope while cycling.
The bolt is bent to allow clearance of a scope while cycling.
A bent bolt and an original scope and mount shown above.
A bent bolt and an original scope and mount shown above.

Installing a Bent Bolt

  1. Perform a safety check to empty all rounds from the magazine box and chamber.
  2. Move the bolt into the upward charging position, and pull it completely back.
  3. Pull and hold the trigger down. This allows the bolt to slide out of the receiver.
  4. Slide the bolt all the way back until it is free of the receiver.
  5. Replace the straight bolt with the bent bolt, by holding the trigger down and sliding the bent bolt in.
  6. Release the trigger, and the bent bolt is now installed and ready to use. Dry cycle the action a few times to make sure the bolt operates safely and correctly.





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Joe Macho profile image

Joe Macho 5 years ago from Colorado

Easy and straightforward. Good hub.

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