Full tuned air rifle ?

[owdnorthener 13]

Hi, I hope someone can help me. I have an HW Carbine, a good powerful sprung rifle, but I dont know how to check this power ? How do I find the correct ft sec ? I would like to keep within the law.

 

thanks for your help folk....

[theobenmike 0]

What your after is a chronograph. A device which when you shoot over it, it gives you the feet per second of the pellet. Then I think it's this formula to work out the muzzle energy, got it written down somewhere but think this is right

 

Fps x Fps x weight of pellet in grains

450240

 

I bought mine off ebay, think it was about £75. Or go to a local club or gunshop and see if they will test it for you

[daz1976 8]

most gun shops will test it they normally do it free or charge uptp £1

[owdnorthener 13]

Many thanks for the advice lads, I'll get it sorted..

[Guest bigredbusa]

hw80 you can fit the slip on type which is about £30 .

 

but the chrony f1 is da dogs ( apart from cloudy days)

[spike 0]

A second hand Chombro can be had for around £30 - well worth the money - easy to use & you can take them anywhere; fit easily in your pocket.

[Guest aircav]

If you get a shop to test your airgun and its over the legal limit you may not get it back as its then classed as a Firearm.

[Guest bigredbusa]

good point , you're better off getting one , even changing pellets could put it over and the old bill can be quite hot on it, even tho police cant test roadside they will take it away and they dont exactly look after them if you know what i mean

[owdnorthener 13]

Cheers lads, looks like its worth buying my own then, thanks for all your help.

[Guest aircav]

The biggest problem with airgun testing is there doesn't seem to be a standard pellet that the Home Office/Police use to see if you airgun is over the limit.