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Amberclad · March 19th, 2012, 18:59

Hi I was wondering how could I downgrade my KA M4 who has 440 FPS , i Need it to 350 for CQB , I have read to change the spring but with what other spring ????

March 19th, 2012, 18:59	#1
Amberclad Trader rating Join Date: Mar 2012 Location: Quebec	Downgrading a King Arms M4 FPS to 350ish Hi I was wondering how could I downgrade my KA M4 who has 440 FPS , i Need it to 350 for CQB , I have read to change the spring but with what other spring ????