HW80 Bits

[fireman 11,513]

Where would i find a cocking shoe plate for said pellet flinger as my one is broke?.. 

[mitre 426]

Try chambers or John knibbs

[philpot 5,124]

You could also try Hull Cartridge as they are the importers.

[mitre 426]

Worth trying everywhere that deals with guns or other sites with spare parts section