Crosman Benjamin Marauder BP2563 / BP2564 .25 Air Rifle Full 2X Color Coded Captain O-Ring Rebuild Kit Includes o-rings to rebuild your Crosman Benjamin Marauder BP2563 / BP2564 Air Rifle two complete times O-Rings are color coded by size to make replacement easier than ever Includes: 1761A023 (x2), 106-005 (x2), 190B-008 (x2), 397-036 (x4), 2563-061 (x2), JTX-080 (x4), 1763-026 (x8) Made of the same material as black OEM o-rings Manufactured and warrantied by Captain O-Ring LLC