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Yes, the kit is from Chambers. Using the same lubricant on the seal and piston makes sense as whatever lubricant is used on the piston will transfer to the cylinder and from there to the piston seal anyway.

I just received a tuning kit for a Mk. 1 BSA Supersport. The kit includes some "ultra grease" and "ultra lube". According to the instructions the grease is for the mainspring and lube for the piston. There's nothing mentioned about lubricating the piston seal. Does it not require any...

No problem removing the piston. The seal looked ok to me but considering the age of the gun it makes sense to replace it along with the mainspring, breech seal, spring guides etc. which is what I plan to do. I read elsewhere that the MK 2 has a 3 point cocking lever and an external spring guide...

I'm pretty sure it's a Supersport Mk 1 (.177) which was manufactured between 1986-1987 according to your earlier post. That makes it much older than I had originally thought. It also shows it was rated at 850 fps.

@marflow 777 I wasn't all that concerned about the money to begin with but it gets to the point where it's hard to justify spending any more on it. Having said that, if I don't get it shooting right then I really would have wasted my money.

I couldn't see anything wrong with either. The mainspring was slightly bent. I'm not sure if that's an issue or not.

I have an old BSA Supersport which I recently did a restoration job on. I had originally planned to buy a tuning kit but after stripping and refinishing the stock and barrel and fitting new sights, I had already spent more than the gun is worth. In the end I just cleaned/re-greased the...

I'm attempting to repair an old BSA Supersport air rifle. It's been a while since I took it apart and I'm having trouble reassembling the trigger mechanism.