That will be- John Knibbs at www.airgunspares.com

I am a great fan of s400/510 series, but the shrouded barrels can be a real pain, my .22 s510 clipped the mod,I took it to A/A and they gave me another mod for it, needless to say it clipped that one aswell, in the death I junked the shroud and a mate of mine made me a barrel band, it's been fine ev...

Not long sorted an s510 with what seems to be the same problem, the power adjust screw can wind itself in and obstruct the airflow, I just put a new one in, sorted. Ask Julian to send you a couple. Rog

Have a look Airgunforum.net My HW Tweaks ( solve all your problems for pennies )might help Rog5

Hi Rosie, how old is it, and does it still have the anti tamper in, if it does you will need the use of a pillerdrill or pop it round to local engineering shop to remove. kev Todd done a complete stripdown of S510 awhile ago, have a look, you should be able to find it, very easy to strip and rebuild...

Looks nice, out of interest who did raised cheek piece. Cheers Rog

Sorry can't help myself, is that the yellow brick one, or the long and winding one, and for me it's .177 all the way. Rog.

Hi BBF i have a btas S510 .22 and now that Mr Taylor has retired was also wondering where to get reg serviced if it ever needed it, I have no problems at present and it has worked ok for last 6years, I can service the rifle myself, but don't know much about regs, keep us posted on how you get on wit...

Am afraid to say I really don't know about such things, my main worry would be getting it to shoot where it's meant to, the power output isn't a problem. Rog

If your s510 is fac .22 it's probably doing 800 plus fps if 12ftlb about 580 fps. Rog