My Hakim had a hollowed out fore-wood. In it was a plastic bag of white powder. I had a quick look then put the thing back together again! Suppose it was a dessicant?
Did you sniff it Trev?
Vintage Airguns Gallery
..Above link posted with permission from Gareth W-B In British slang an anorak is a person who has a very strong interest in niche subjects.