Tuning kit for FWB 300s

[Jimlad]

Hi

Thanks for the response, I have a mate that wants to bump the power up a bit to be able to shoot vermin, I service the rifles on a regular basis for bell target where the power is not so important, I understand that there was a fella on here going under the name of wonkey donkey that provided a kit to improve the 300s, I have tried to contact him without success, was wondering if there was anyone else?, I have ordered a couple of single springs.

[GB2017]

TBH not the sort of rifle that springs to mind for taking care of vermin and wouldn't be my first recommendation. I would suggest that you get your mate to explore other more suitable air rifles to ensure that he can humanely dispatch the critters.