Rimlock feather spring 13

[@27tooth]

Really helpful, I was struggling with a knackered lock and it’s sorted now thanks

[@ppenguinpete]

Thanks for this, contacted D16ger for a replacement spring. Most helpful, well done!

[@woolton1965]

Time well spent.

[@stevebrickshitta870]

The music. Almost didn't make if past that horrid sound.