ICS FTK Upper Mech box difference
I'm interested in these two kit from ICS Airsoft: MA-54 and MA 56.
The MA-54 comes with MC-71 OVERSIZE CYLINDER (FULL CAPACITY)
And
The MA 56 comes with MC-58 Oversize cylinder (4 opening)
How does the opening make a difference in the performance of the gun?
My plan is to get the FTK, and just keep my stock spring. Im looking for better seals, and compression. I don't need the 380+ FPS.
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