Here's is a little info not many of you know, and I'm not being a smart arse either. This is from a top gunsmith I often have dealings with that does a lot of work for forensics. If a police officer takes your gun, tests it and says it's over the limit, you can, and are within your rights to ask for...

Testing isn't a problem, I own 3 chronographs.

I see.
So if I was to fit a hammer spring that made my rifle sub 12 ft/lb with a fully open transfer port, I should be Ok. Or do you think they would class it as FAC just for having an adjuster fitted.

Hi all, I've just acquired my first Air Arms rifle, it's a second hand s410 carbine. The power is spot on averaging 11.4 ft/lb, which is ideal for my rabbiting permissions, but I have a chance of some night ratting indoor, and would like the chance to turn down the power to around 6 to 7 ft/lb, basi...