9.19 The Home Office view that low-powered self-loading rifled air
guns are not subject to Section 5(1) of the Firearms Act 1968 should
be confirmed at the first legislative opportunity. [Paragraph 11.26]
The above is taken from the 9th Report from the Firearms Consultative Committee 2000. That's 14 years ago so they can't say it's new
Perhaps anyone interested should just bypass AMTA and the GTA and import them directly. There's just too much of the "Tail wagging the dog" and it's about time the Customer, US, got involved rather than an industry protectionist organisation that only has self interest at heart.