Originally Posted by
Benelli B76
These are deliberately designed castings to stop easy access to seal. Have a look at the Umarex CP88.
Baz
Yes, I've got that exact problem at the moment - I'm searching for strip down information on a Umarex CP88 to help with replacing that seal. Looks like so much work to disassemble when, as you say, it could have been much easier to do from within the capsule bay!
S200 .177 with 10-shot conversion and Simmons 44 Mag 3.8-12x44mm Diamond WA, S510 .177 with Hawke Vantage IR 3-9x40mm (& PARD NV007A), TX200HC .22 with Nikko Sterling Panamax 3-9x40 AO IR, Weihrauch HW45 .177 with Dowling & Rowe red dot, Walther CP88 .177