I have a different piston seal on my rifle than the original it's a solid ptfe that screws onto the piston 25mm diameter 7mm long
does any body know where I can purchase one of these I have contacted Julian about the parts but no response yet.

I have a different piston seal on my rifle than the original it's a solid ptfe that screws onto the piston 25mm diameter 7mm long
does any body know where I can purchase one of these I have contacted Julian about the parts but no response yet.

Okay will do all apart and polished up

Okay will do that do I need to measure spring length as well and where is the best place to get these seal from.

Hi I have a mk2 tx200hc that was low on power so striped and re lube power was back up to 11.6 ft lbs but it's back down to 8.5ft lbs I've had it for about 20 years should I be replacing all the seals and piston or could it be something else.

Hi I've owned this rifle from new say 22 year approx and it's low on power today 6.5ftlbs using air arms 16 grain pellet it's a warm day rifle and pellet warm I'm telling you this two weeks ago I stripped and cleaned and was getting 11.6 ft lbs any ideas haven't changed seals for about 20 years.or i...