ICS M4A1 375 or 400 fps upgrade

apparition · June 27th, 2009, 21:57

as you can tell from the title im trying to upgrade my gun to shoot approx 375-400 fps(to keep in the AEG limit of where i usually play) so that i can get some more range and im also looking at making it a little more accurate as well. so far all i know is that i need a tightbore barrel for accuracy and for fps i need a m110 or m120 spring, a new piston, and metal bushings. as for bushings does anyone know what size the ICS takes or does it matter? im really new to the whole internal part stuff so any advice is awesome. i think i know what tightbore im gonna get as well as the spring. any help on good pistons + piston heads, etc to get and bushings would be much appreciated.

Thanks!

Death March · June 28th, 2009, 12:59

Why don't you just buy the ICS MA-56 upper package? It's a complete upper that drops in and you'll get the fps you want without having to find what parts work with each other. I'v had mine for about 4years now,no issues. I don't use it as much as I did,but never had a prob.
The bushings for ICS are an odd size.I had to open up my openings to fit normal sized 6mm. But I'm not sure if the newer ICS gear-box might use newer ones. As for tightbores I have Prometheus 6.03mm (407mm long) in the ICS and all my other AEG's have Prometheus as well,never had any issues with them either. Hope there are a few idea's for you

apparition · June 29th, 2009, 00:10

Quote:

Originally Posted by Death March

Why don't you just buy the ICS MA-56 upper package? It's a complete upper that drops in and you'll get the fps you want without having to find what parts work with each other. I'v had mine for about 4years now,no issues. I don't use it as much as I did,but never had a prob.
The bushings for ICS are an odd size.I had to open up my openings to fit normal sized 6mm. But I'm not sure if the newer ICS gear-box might use newer ones. As for tightbores I have Prometheus 6.03mm (407mm long) in the ICS and all my other AEG's have Prometheus as well,never had any issues with them either. Hope there are a few idea's for you

do you know where the MA-56 uppers are available and how much?

scurvythepirate · June 29th, 2009, 00:20

Quote:

Originally Posted by apparition

do you know where the MA-56 uppers are available and how much?

I've seen some at Airsoft GI for about about $100 USD

mcguyver · June 29th, 2009, 00:50

I don't know if ICS has changed their MA-56 or not, but it used to come with an aluminum piston. It had a tendancy to get chewed up.

Also, use a large battery with their M120, or something capable of discharging alot of current (LiPo perhaps).

ICS guns made in 2006 and newer have steel bushings.

apparition · June 29th, 2009, 01:19

thanks for the tips guys will take it into consideration that ma56 kit though looks like it might be the best for my needs

Death March · June 29th, 2009, 20:03

I havent had any issues with the piston being chewed(yet lol),but I'm running Systema gears in it as well, maybe they line-up better?? But at any rate it works

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June 27th, 2009, 21:57	#1
apparition Trader rating Join Date: May 2009 Location: Calgary	ICS M4A1 375 or 400 fps upgrade as you can tell from the title im trying to upgrade my gun to shoot approx 375-400 fps(to keep in the AEG limit of where i usually play) so that i can get some more range and im also looking at making it a little more accurate as well. so far all i know is that i need a tightbore barrel for accuracy and for fps i need a m110 or m120 spring, a new piston, and metal bushings. as for bushings does anyone know what size the ICS takes or does it matter? im really new to the whole internal part stuff so any advice is awesome. i think i know what tightbore im gonna get as well as the spring. any help on good pistons + piston heads, etc to get and bushings would be much appreciated. Thanks!

June 28th, 2009, 12:59	#2
Death March Trader rating Join Date: Feb 2006 Location: Manitoba	Why don't you just buy the ICS MA-56 upper package? It's a complete upper that drops in and you'll get the fps you want without having to find what parts work with each other. I'v had mine for about 4years now,no issues. I don't use it as much as I did,but never had a prob. The bushings for ICS are an odd size.I had to open up my openings to fit normal sized 6mm. But I'm not sure if the newer ICS gear-box might use newer ones. As for tightbores I have Prometheus 6.03mm (407mm long) in the ICS and all my other AEG's have Prometheus as well,never had any issues with them either. Hope there are a few idea's for you __________________ Death Before Dishonor" Bleeding Black Label"

June 29th, 2009, 00:50	#5
mcguyver Trader rating Join Date: Aug 2005 Location: Northern Alberta	I don't know if ICS has changed their MA-56 or not, but it used to come with an aluminum piston. It had a tendancy to get chewed up. Also, use a large battery with their M120, or something capable of discharging alot of current (LiPo perhaps). ICS guns made in 2006 and newer have steel bushings. __________________ Age verifier Northern Alberta Democracy is two wolves and a sheep discussing what's for dinner. Freedom is the wolves limping away while the sheep reloads. Never confuse freedom with democracy.

June 29th, 2009, 01:19	#6
apparition Trader rating Join Date: May 2009 Location: Calgary	thanks for the tips guys will take it into consideration that ma56 kit though looks like it might be the best for my needs

June 29th, 2009, 20:03	#7
Death March Trader rating Join Date: Feb 2006 Location: Manitoba	I havent had any issues with the piston being chewed(yet lol),but I'm running Systema gears in it as well, maybe they line-up better?? But at any rate it works __________________ Death Before Dishonor" Bleeding Black Label"

ICS M4A1 375 or 400 fps upgrade

Upgrades & Modifications