Quote:
Originally Posted by waltherglocksmith
I changed it to metal because the front of the plastic slide began to cracked. This is mad because the snap of the TM G18C was really good! Now with the metal one, I lost about 5-10% of the snap, but still accurate. I have needed to rack the slide during 5-6 min. like in full auto, to get it smooth. The stock plastic barrel don't fit, I had to installed the metal one that comes with the slide.
is is necessary to change the hammer spring that comes with the recoil spring 150%?, what change the hammer spring in the recoil operation??
thanks for your answer
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An upgraded recoil spring will help with just that, returning the slide to battery. With a metal slide it's heavier and takes more force so an upgraded recoil spring will help get some of that snappyness back on the return of the slide (which is the only thing that changes significantly). Without an upgraded recoil spring your gun could feel sloppy/slow and you won't be able to squeeze off semi shots as fast.
However in colder weather it's better to have a stock recoil spring because depending on the temperature the gas might not have enough oomph to blow back the slide the entire way to load a new BB. Also it's good to change back to a stock plastic slide if you're going to use it in colder weather, but the cold weather discussion is an entirely different matter.
The hammer spring won't do much, I'd recommend just leaving it out.