This re-seal kit for the Crosman RepeatAir 1077 contains all the seals required to re-seal your rifle completely. Kit contains: Piercing Pin Co2 Caplet Seal Co2 tube seals (2 units) Valve o-rings (2 units) Valve Puck Seal Detent Outer Seal (Note: This seal has not been included from the factory on rifles built since 2007, but should be installed to assist in reducing Co2 blow-by between valve and pellet magazine).
