ICS upper gearbox upgrade questions.

etd · May 27th, 2009, 15:51

Looking at mach1 I've found a complete and fairly cheap set to upgrade my upper gearbox with the ics split gearbox system. my main question is whats the difference between:

1) MC-71 Oversize cylinder (Full Capacity)
http://www.mach1airsoft.com/web/cata...om&id=74&cat=4

and

2) MC-58 Oversize cylinder (4 opening)
http://www.mach1airsoft.com/web/cata...om&id=73&cat=4

HaZarD SFD · May 27th, 2009, 16:03

Do you own an ICS? those prices are for a full upper.

Full capacity is more for m16 length barrel and the ported is for m4 length.

etd · May 27th, 2009, 16:14

M4 375mm barrel. split mechbox ics type is what I currently have. So don't bother getting the full? get the ported?

m102404 · May 27th, 2009, 16:19

Ported

etd · May 27th, 2009, 16:30

Can someone explain why so I know in the future. thanks

m102404 · May 27th, 2009, 16:37

See the 1st stickied post in this forum section..."complicated...why match cylinder porting to barrel length"...something like that.

coach · May 27th, 2009, 19:23

Quote:

Originally Posted by m102404

See the 1st stickied post in this forum section..."complicated...why match cylinder porting to barrel length"...something like that.

even easier. check airsoftparts.ca look at the modify cylinders. will show the proper porting for a range of inner barrel lengths.

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May 27th, 2009, 15:51	#1
etd Trader rating Join Date: May 2008 Location: North Bay, Ontario	ICS upper gearbox upgrade questions. Looking at mach1 I've found a complete and fairly cheap set to upgrade my upper gearbox with the ics split gearbox system. my main question is whats the difference between: 1) MC-71 Oversize cylinder (Full Capacity) http://www.mach1airsoft.com/web/cata...om&id=74&cat=4 and 2) MC-58 Oversize cylinder (4 opening) http://www.mach1airsoft.com/web/cata...om&id=73&cat=4 __________________ etd/Carmelo - Team North Bay v3 Aeg specialist

May 27th, 2009, 16:03	#2
HaZarD SFD Trader rating Join Date: Sep 2005 Location: Ottawa	Do you own an ICS? those prices are for a full upper. Full capacity is more for m16 length barrel and the ported is for m4 length. __________________ No Comment.

May 27th, 2009, 16:14	#3
etd Trader rating Join Date: May 2008 Location: North Bay, Ontario	M4 375mm barrel. split mechbox ics type is what I currently have. So don't bother getting the full? get the ported? __________________ etd/Carmelo - Team North Bay v3 Aeg specialist

May 27th, 2009, 16:19	#4
m102404 Tys Trader rating Join Date: Apr 2006 Location: Toronto	Ported

May 27th, 2009, 16:30	#5
etd Trader rating Join Date: May 2008 Location: North Bay, Ontario	Can someone explain why so I know in the future. thanks __________________ etd/Carmelo - Team North Bay v3 Aeg specialist

May 27th, 2009, 16:37	#6
m102404 Tys Trader rating Join Date: Apr 2006 Location: Toronto	See the 1st stickied post in this forum section..."complicated...why match cylinder porting to barrel length"...something like that.

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