Tokyo Marui MP5-SD5 upgraded :
the upgraded parts im running are:
- area 1000 poly carb. piston
- area 1000 poly carb. piston head
- systema bushings with bearings
- stock tokyo marui Thompson/ Beta Spetsnas 300mm barrel (goes 3/4 the way through the silencer)
- i originally had a systema m100 spring in there, but it shattered at a lincoln game this past year. its been replaced with a stock classic army spring and is shooting between 330-340 fps with .20s.
- systema bearing spring guide for V2 mechboxes
- systema spring set for anti-reversal latch, and all of those little pain in the ass springs.
Also have a TM S-system but its a secret right now