Originally Posted by kalnaren
If it's an o-ring problem, what does changing the piston do? You'd either need to swap piston heads, or go to Canadian Tire and buy a pack of o-rings for $1.99 and put one on that fits properly.
Just changing the o-ring dose help, but the piston head itself isnt that great ither its a shitty plastic.
And yeah it may not be that much of a differnce in FPS, but i have seen a differnce of like 20 before. and I have herd worse especilty out of the armilights
M4, L85, Mp5, Scar, Sig 552, M14