Check the listing for details. Crosman Challenger CH2009 Air Rifle (.177) – 2X Color Coded O-Ring Kit. Condition: New. Listed at 15.09 USD. Crosman Challenger CH2009 Air Rifle (.177) Full 2X Color Coded Captain O-Ring Rebuild Kit Product Features: Includes o-rings to rebuild your Crosman Challenger CH2009 (.177) Air Rifle two complete times O-Rings are color coded by size to make replacement easier than ever Includes: 130-035 (x2) [tan], 1761-005 (x10) [light purple], 1761A203 (x2) [dark purple], 397-062 (x2) [yellow], 1700B005 (x4) [brown], CH2009-001 (x2) [black] Made of the same material as black OEM o-rings Manufactured and warrantied by Captain O-Ring LLC Get your air rifle back in order with Captain O-Ring's Crosman Challenger CH2009 2x Color Coded O-Ring Rebuild Kit. The kit contains all of the o-rings needed to rebuild your gun twice. That means two of every o-ring found in the gun. Included in this kit are the following part numbers: 130-035 (x2) [tan] 1761-005 (x10) [light purple] 1761A203 (x2) [dark purple] 397-062 (x2) [yellow] 1700B005 (x4) [brown] CH2009-001 (x2) [black] This kit does not include the 130-036 gasket, as it is not an o-ring. If you need this part, you can find it at amazon.com/dp/B07HKP49QD. Captain O-Ring's printable COLOR CODED o-ring replacement guide makes replacing your o-rings easier than ever. The color o-ring replacement guide for this kit can be found at CaptainOring.com/manuals Parts include a one year warranty against defect by Captain O-Ring LLC. "Captain O-Ring" is a registered trademark of Captain O-Ring LLC.