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AR15.COM
AR Sponsor
7/14/2006 8:21:20 PM EDT
I have an LMT M4 upper and I want to put DD rifle length hand guards on it.  What size gas block do I have to buy?  
Thanks!
7/15/2006 12:47:15 AM EDT
[#1]
PRI, LaRue or VLTOR will work.
J
7/15/2006 6:05:50 AM EDT
[#2]
0.750
7/15/2006 4:01:20 PM EDT
[#3]
Thanks for the info
AR Sponsor