It has a speed trigger
Upgrade ctm hammer
Upgraded piston head x2 (Two different makes one aluminum)
M4ximus conversion kit (Not the crappy 3d printed ones)
Two inner barrels one longer and other both with new autobot buckings
Action army hand guard
200% springs ctm
Cow cow enhanced nozzle
Tti hop up unit hyrdo
Set up as single shot dmr
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