Definitely will especially for a mini GS... the gun goes into a whole other level of accuracy and quietness. I use my deadlywind freak on my Mini GS and I really like it.
Planet Eclipse Ego 11 Vamped
Empire Mini GS
Red 2011 G6r / Empire Prophecy V2 / Ninja 68/45 w/ SLP / Empire Events
Pewter CCM s6 w/ blue accents/ Winchestor hopper / Ninja 45/45 w/ Pro Reg
Planet Eclipse Geo 2.1