Fx advise

[Mattjb]

Is there anybody West Midlands area that has good knowledge/works on fx rifles. Specifically an impact and the liners. I have now had 2 slug liners that have been spot on for a while, they then build up lead fouling which is expected but when cleaning it leaves solid lead blobs that just won’t come out and it effects accuracy.

 

[Airgunner87]

Are you using a pull through or a rod?
I’d have a go at cleaning it with a brass brush type rod.