KJW P226 Recoil/Hammer Spring

[Solvek]

Currently I am using a stock KJ Works Full Metal P226 but the recoil is still abit lacking for me since KJ's don't have much for aftermarket upgrades or I have been told I was thinking of using a Guarder P226 150% Recoil Spring and Hammer spring in it but was mainly concerned that the gaurder is designed to fit into the Marui p226 would this make a difference or if someone can suggest a good stronger recoil spring for the KJ Works Full Metal P226 I would appericate it.