How to Disassemble the Mossberg ATR Bolt

Written by joshua benjamin
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The Mossberg Firearms Company is perhaps best-known for the quality of its shotguns--which find use in sport hunting, home defence and law enforcement. Only slightly less-known, however, is its 100 ATR--which stands for "All Terrain Rifle"--bolt-action rifle. As with any firearm, the Mossberg ATR will occasionally need to be taken apart--which in this case entails removing the bolt from the rifle--in order to clean or repair the moving parts of the rifle. Fortunately, this is not an especially difficult process.

Skill level:
Moderately Easy


  1. 1

    Pull the bolt all the way back and inspect the firing chamber to make sure there are no live bullets in the rifle, then push the bolt closed and flip the safety lever to the "on" position. Clearing and making sure your weapon is safe should always be the first step whenever you are working on a firearm.

  2. 2

    Raise the bolt handle and pull the bolt all the way back again.

  3. 3

    Press the bolt stop button at the very back of the bolt.

  4. 4

    Pull the bolt all the way backwards and out of the rifle.

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