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SR25 gearbox upgrade

5K views 4 replies 3 participants last post by  Watchalewknat  
#1 ·
Hello everyone,

I have an A&K SR25,and I'd like to upgrade my gearbox with a new piston, piston-head and cylinder-head. I'm wondering which type of brand I would buy? I'm thinking of SHS or Lonex.

I also saw that the cylinder is a bit bigger then normal AEG cylinders, will this affect the seal of my piston-head?

thanks