How to Replace Seals in a Crosman 1077

Written by sarka-jonae miller Google
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The Crosman 1077 is a popular air rifle known for being lightweight and relatively quiet. It is a 12-shot repeater that, when working, is durable and easy to load. A leaky cartridge indicates a new seal is needed in the CO2 cartridge. New seals are very inexpensive. This article tells you how to replace CO2 seals in the Crosman 1077.

Skill level:
Easy

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Things you need

  • Screwdriver
  • Toothpick
  • New seals

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Instructions

    Replacing CO2 Seals in a Crosman 1077 Air Rifle

  1. 1

    Take out the CO2 cartridge. Check that the gun is not loaded.

  2. 2

    Use your screwdriver to unscrew the three screws at the bottom of the stock. The stock is the entire black part of the rifle including the barrel and grip.

  3. 3

    Unscrew the CO2 assembly screw.

  4. 4

    Use a toothpick to gently push the old seal out.

  5. 5

    Replace the seal and reverse the steps to put the gun back together.

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