Crosman AirSource Upgrade Kit Steel 12 Gram Black AS1077AD

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This AirSource upgrade kit by Crosman is designed to upgrade the functionality of Crosman 1077 pellet rifles manufactured after May 1999. After the upgrade, your Crosman 1077 will be able to use 12 gram C02 and 88 gram AirSource cartridges. You will also be able to shoot much more with the upgrade.
Specifications and Features:
12 gram CO2 cartridges after upgrade
Also available: New 88 gram CO2 AirSource cartridges
More economical than 12 gram cartridges
Use on all 1077s manufactured after May 1999