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AR15.COM
9/20/2009 10:44:30 AM EDT
I was thinking today about the MK23, I know what SOCOM means, but what does the "MK" stand for?
9/20/2009 11:04:38 AM EDT
[#1]
Mark 23?
9/20/2009 11:22:49 AM EDT
[#2]
From what I understand the MK23 is marketed for the military, and the “Mark”23 is marketed for the civilians, same gun through? Just different markings? If I am wrong I know someone will correct this, there are a lot of very smart people here!  I am just wondering where the “MK” “Mark” came from.
9/20/2009 12:37:39 PM EDT
[#3]
They are essentially the same pistol.  They have different markings on the slide and IIRC the military is chambered to NATO .45 ACP specs while the civilian is chambered to SAAMI specs.  The difference is about .002 in the chamber IIRC which does not amount to a hill of beans.
9/21/2009 8:43:25 AM EDT
[#4]
Quoted:
From what I understand the MK23 is marketed for the military, and the “Mark”23 is marketed for the civilians, same gun through? Just different markings? If I am wrong I know someone will correct this, there are a lot of very smart people here!  I am just wondering where the “MK” “Mark” came from.


The US Navy uses MK (number) designation for their weapons. Ex: Mk 48 Mod 7 torpedo, Mk 11 Mod 0 sniper weapon system, Mk 46 Mod 1 LMG

The SOCOM offensive handgun system is Mk 23 Mod 0

Mark is just Mk spelled out, to differentiate the civvie product from govt issued.
9/21/2009 11:28:40 AM EDT
[#5]
Thank you! thats what I was looking for.
9/26/2009 10:28:08 PM EDT
[#6]
#2 on this link discusses the Navy MARK/MOD Nomenclature System

Miscellaneous Designation Systems