
Any input would be very appreciated, whether it be about the hop up or other important factors i'm overlooking

Blizzard wrote:The ICS SIG unit itself is great. I wouldn't replace that.
As far as upgrades go, here are two options that work:
Firefly Hard bucking or Systema soft bucking with SCS.
I've had great results with Madbull barrels, but Promy or Dees is the way to go.
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