This Free Ads character sounds like a complete knob. Then again, if any buyer believes a word he says, it's their own fault. There's so much information out there these days, there's no excuse for ignorance.
I was thinking of this ad, Trev, as the only actual proof of governments using airguns for war training purposes that I know of, apart from the gunnery trainers. There's also the Hakim in Egypt and this evidence of a BSA Military Pattern being in a battalion's armoury:
Last edited by Garvin; 17-12-2018 at 03:02 PM.
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.