rjmcgough Posted April 11, 2012 Posted April 11, 2012 Hi, I was wondering if anyone could tell me what RIS/RAS units will fit on the ICS M4A1 as there seems to be a major compatibility issue with some.
Supporters Airsoft-Ed Posted April 11, 2012 Supporters Posted April 11, 2012 Get the ICS RIS, ICS tend to only be compatible with ICS unfortunately. It'll cost you about £50 I think. I think Wolf Armouries sell the ICS rail kits.
Hibernator Posted April 11, 2012 Posted April 11, 2012 Most G&P units will fit - the threads are the same. You usually only need to remove the two little lugs on the ICS outer barrel to get the delta ring on - a two minute job with a junior hacksaw! Other RIS may fit with little or no modding, but it's a bit hit and miss. I just put a Noveske RIS on a plastic ICS upper, but the threads were different. Luckily it was a metal RIS vs plastic upper - so by tightening the delta ring a couple of screws it re-threaded the plastic Couple of turns, remove and blow off plastic shavings, repeat until fully on
rjmcgough Posted April 11, 2012 Author Posted April 11, 2012 Thanks will try and find a G&P unit but if not then I'll go for the ics
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