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AR15.COM
12/24/2010 5:50:22 PM EDT
I have the M4-S and I want to get my 18 inch SS MRP barrel fitted with a break and collar to use it.  But I want to use the 12th model as well.  What do I need to have done to work with both?  Thanks guys, and Merry Christmas.
12/24/2010 6:02:13 PM EDT
[#1]
You need the barrel detailed for the 12th model, and the 12th model collar installed. There is a slip over adapter collar that will allow you to use the M4s.  I'm out of the adapters at this time.
12/24/2010 6:25:12 PM EDT
[#2]
Sorry to intrude but is the 12th noticeably quieter than a 16th?
12/24/2010 6:42:38 PM EDT
[#3]
Quoted:
You need the barrel detailed for the 12th model, and the 12th model collar installed. There is a slip over adapter collar that will allow you to use the M4s.  I'm out of the adapters at this time.


Any idea when you'll have them in stock?  I'll ship the barrel when you do.
12/24/2010 6:46:01 PM EDT
[#4]
Quoted:
Sorry to intrude but is the 12th noticeably quieter than a 16th?


I don't know maybe the ADCO guys do.  All I have is the M4-S right now.   I'm going to pick up the 12th later next year.
12/24/2010 7:39:14 PM EDT
[#5]
Quoted:
Sorry to intrude but is the 12th noticeably quieter than a 16th?


I cant tell  them apart.
12/24/2010 7:39:37 PM EDT
[#6]
Quoted:
Quoted:
You need the barrel detailed for the 12th model, and the 12th model collar installed. There is a slip over adapter collar that will allow you to use the M4s.  I'm out of the adapters at this time.


Any idea when you'll have them in stock?  I'll ship the barrel when you do.


no idea, but they are on order....