THE OLD LEATHER SEALS ARE REPLACED WITH MODERN POLY SEALS
CURRENT BATCH USES THE GREEN ECO SEAL NOT THE PURPLE SEAL
INCLUDES ONE PISTON SEAL AND ONE BREECH SEAL
USES THE STANDARD 28MM DIANA PISTON SEAL
NO MODIFICATIONS ARE REQUIRED TO THE RIFLE
RESTORES LOST POWER
THE BSA AIRSPORTER SPRING (cut to the solid length of the existing spring) IS SUITABLE