I have located a copy (very good quality even prints with the pinky browny shade) of the original 4 page leaflet that came with these guns, cleaning stripping and the general bumf you get.
If you want a copy drop me a PM with your email and i will send one over, if you cant print ill drop a copy in the post.
Greener GP Shotgun
in Guns & Equipment
Posted
Can you please forward an electronic copy
regards
jeff.capper@english-heritage.org.uk