Upgrading a TM M4A1
Ok...I decided to upgrade my TM M4A1. I would like to upgrade my M4 to shoot about 380-400 fps. Now...I'm no wizard in the internals and such nor do I have the patients to take my mech box apart to do the job myself.
Could someone here on this board, please provide me with a list of upgraded parts that they recommend to do this upgrade. I know I'll be definately picking up a reinforced gear box for sure.
Any help would be greatly appreciated. Thanks.
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