This re-seal kit for the Benjamin Marauder PCP Rifle (All models and calibers from manufactured from 2010 to November 2014)) contains: Transfer Port Seals (2) Valvestem Bolt/Barrel o-rings (one for each caliber, .177, .22, .25) Valve housing internal seal Valve external seal Fill adapter seal Gauge block seals (2) Gauge Port seal Shroud front and rear cap retaining seals (2) Baffle base retainer seal Barrel band isolator o-ring