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View Full Version : Mk 18 upper...who makes the real deal? Colt or LMT


M4A1CQBR
03-29-09, 20:30
I've been thinking about making a replica M4 w/ a Mk 18 upper. Who is the original manufacturer for the Navy's Mk 18 upper? Colt or LMT
Kimbo
03-29-09, 20:39
Colt was the original contracted company but the Gov't has purchased LMT's as well.
Eric Cartman
03-29-09, 20:47
Lots of info here, Navy Mk18 Mod 0 (http://www.ar15.com/forums/topic.html?b=3&f=118&t=271832). You can also order a back issue of Small Arms Review that has an article on the Navy Mk 18 Mod 0, Vol. 11 No. 7 - April 2008 (https://secure.longmountain.com/product_info.php?cPath=23_28&products_id=1033&osCsid=9f99e4f902df675d6a22e36720f81961)
Robb Jensen
03-29-09, 21:43
Colt, LMT.........and if I recall correctly DD.
C4IGrant
03-29-09, 21:50
Crane sends DD cut down Colt barrels & LMT barrels for assembly.


C4
scottryan
03-29-09, 22:46
Colt supplies the vast majority of these barrels/uppers.

Most barrels are Colt 14.5" cut down barrels.

Some are Colt factory 10.3" barrels.
variablebinary
03-29-09, 22:58
There is speculation about LMT supplying parts, but as far as I know the only validated source for barrels and uppers is Colt.
ALCOAR
03-29-09, 23:19
damn i love the info i pick up in here. THANKS...
M4A1CQBR
03-30-09, 04:58
What mount does the Navy use with the aimpoint? Larue or Wilcox?
C4IGrant
03-30-09, 08:15
What mount does the Navy use with the aimpoint? Larue or Wilcox?

I have never seen them with a LT mount. Generally speaking, the USN is pretty well locked in with KAC and Wilcox.


C4
scottryan
03-30-09, 08:15
What mount does the Navy use with the aimpoint? Larue or Wilcox?



The Wilcox is the standard mount.