ICS new hop up

marcwhite · September 15th, 2009, 15:25

To start things off I know that a similar thread is present in this forum.
I am looking to replace my stock hop-up on my ICS m4 with either a classic army, G&P,or a king arms hop up.Out of those what would you guys reccomend and what needs to be done to use a regular hop up in detail(what needs to be dremmeled and by how much)
Thanks all.

Crunchmeister · September 15th, 2009, 15:35

You can't use a stock one. ICS has a proprietary hopup unit to accomodate the split mechbox design. No other standard hopup will work. You have to get an ICS one. And as far as I know, no one makes an aftermarket 'upgraded' one.

I hear it's possible to mod, but honestly, I think that despite being plastic, the ICS is a superior design.

marcwhite · September 15th, 2009, 20:22

thank you for your reply the problem with mine may be the barrel since it is a sprotsline barrel.I will install a tight bore and see if that works.Would still like to know how to use other ho up's though..

Darklen · September 15th, 2009, 20:23

Agreed. I already looked into this to go the other way actually, putting an ICS into a regular AR AEG. If the ICS unit is not working to expectations, all you can do is replace the sleeve and bucking assembly as they are standard, and/or replace the barrel with a tightbore.

Crunchmeister · September 15th, 2009, 20:43

A 6.03-6.04mm tightbore + Guarder clear hopup rubber & bucking will more than likely fix issues you may have.

You can mod another hopup to work, but you will be losing the awesome stability of the ICS hopup. That's the issue with a normal AR style hopup. After a while, it needs to be readjusted because it tends to loosen from the vibration of shooting your gun. The ICS will always stay exactly where it's supposed to be.

Skladfin · September 15th, 2009, 21:37

what are you trying to do?

the ICS hop up units is VERY consistent. but if you want to use a new hop up rubber, you need to change the tightbore as well(The position of the cut is slightly different on the ICS barrel).

I've worked on a couple ICSs before, one of them being the cansoft smoked body M4. This set up worked great in his

Madbull 6.03mm barrel(363mm)
systema hop up rubber(Must wash with kitchen detergent before use. People ignore this step and wonders why it doesn't produce the accuracy they want)

just those two should be fine

marcwhite · September 16th, 2009, 02:18

Thanks alot I think that is just what I will do,what is the purpose of washing the rubber.

Skladfin · September 16th, 2009, 02:20

getting rid of excessive grease/dirt/dust/ anything that affects the accuracy.

marcwhite · September 16th, 2009, 19:41

is this the right one?http://www.uncompany.com/pageproduct...asp?prodid=570

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September 15th, 2009, 15:25	#1
marcwhite Trader rating Join Date: Oct 2008 Location: victoria	ICS new hop up To start things off I know that a similar thread is present in this forum. I am looking to replace my stock hop-up on my ICS m4 with either a classic army, G&P,or a king arms hop up.Out of those what would you guys reccomend and what needs to be done to use a regular hop up in detail(what needs to be dremmeled and by how much) Thanks all. __________________ I support Capital Airsoft!

September 15th, 2009, 15:35	#2
Crunchmeister Trader rating Join Date: Nov 2007 Location: In your bedroom going though your underwear drawer	You can't use a stock one. ICS has a proprietary hopup unit to accomodate the split mechbox design. No other standard hopup will work. You have to get an ICS one. And as far as I know, no one makes an aftermarket 'upgraded' one. I hear it's possible to mod, but honestly, I think that despite being plastic, the ICS is a superior design. __________________

September 15th, 2009, 20:22	#3
marcwhite Trader rating Join Date: Oct 2008 Location: victoria	thank you for your reply the problem with mine may be the barrel since it is a sprotsline barrel.I will install a tight bore and see if that works.Would still like to know how to use other ho up's though.. __________________ I support Capital Airsoft!

September 15th, 2009, 20:23	#4
Darklen Administrator Trader rating Join Date: Jan 2004 Location: Red Deer, AB	Agreed. I already looked into this to go the other way actually, putting an ICS into a regular AR AEG. If the ICS unit is not working to expectations, all you can do is replace the sleeve and bucking assembly as they are standard, and/or replace the barrel with a tightbore. __________________ *ASC Age Verifier for Red Deer & Area Alberta*

September 15th, 2009, 20:43	#5
Crunchmeister Trader rating Join Date: Nov 2007 Location: In your bedroom going though your underwear drawer	A 6.03-6.04mm tightbore + Guarder clear hopup rubber & bucking will more than likely fix issues you may have. You can mod another hopup to work, but you will be losing the awesome stability of the ICS hopup. That's the issue with a normal AR style hopup. After a while, it needs to be readjusted because it tends to loosen from the vibration of shooting your gun. The ICS will always stay exactly where it's supposed to be. __________________

September 15th, 2009, 21:37	#6
Skladfin Trader rating Join Date: Dec 2006 Location: Glace Bay, Nova Scotia	what are you trying to do? the ICS hop up units is VERY consistent. but if you want to use a new hop up rubber, you need to change the tightbore as well(The position of the cut is slightly different on the ICS barrel). I've worked on a couple ICSs before, one of them being the cansoft smoked body M4. This set up worked great in his Madbull 6.03mm barrel(363mm) systema hop up rubber(Must wash with kitchen detergent before use. People ignore this step and wonders why it doesn't produce the accuracy they want) just those two should be fine

September 16th, 2009, 02:18	#7
marcwhite Trader rating Join Date: Oct 2008 Location: victoria	Thanks alot I think that is just what I will do,what is the purpose of washing the rubber. __________________ I support Capital Airsoft!

September 16th, 2009, 02:20	#8
Skladfin Trader rating Join Date: Dec 2006 Location: Glace Bay, Nova Scotia	getting rid of excessive grease/dirt/dust/ anything that affects the accuracy.

September 16th, 2009, 19:41	#9
marcwhite Trader rating Join Date: Oct 2008 Location: victoria	is this the right one?http://www.uncompany.com/pageproduct...asp?prodid=570 __________________ I support Capital Airsoft!

ICS new hop up

Upgrades & Modifications