Mark 23

Mark 23 or Mk.XXIII or variation, may refer to:

U.S. Navy

The U.S. Navy designation Mark 23 may refer to:

• Heckler & Koch Mark 23, a .45 ACP-caliber handgun
• Mark 23 machine gun, a configuration of the Stoner 63 weapons system used by US Navy SEALs.
• Mark 23 Pistol and Suppressor Kit, a Vietnam War-era kit issued to US Navy SEALs, containing a Mark 22 pistol and a Mark 3 noise suppressor.
• Mark 23 torpedo, a submarine-launched anti-ship torpedo used in World War II

UK Royal Navy

• Mark 23 Grog, a British wire-guided 21-inch torpedo
• BL 6-inch Mk XXIII naval gun, a British WWII naval artillery gun
• QF 4-inch naval gun Mk XXIII, a British Cold-War submarine deck gun

Other uses

• Bolo Mk XXIII, a fictional super-tank

See also

• Mark 23 Mod 0

1. Heckler & Koch Mark 23
2. Mark 23 Mod 0
3. Mark 23 torpedo
4. Mark 48 torpedo
5. Stoner 63
6. 16-inch/50-caliber Mark 7 gun
7. British 21-inch torpedo
8. Mark 54 Lightweight Torpedo
9. Mark 46 torpedo
10. Sampha
11. Mark 50 torpedo
12. Mark 60 CAPTOR
13. Overton window
14. Mark 24 mine
15. Bosnia and Herzegovina convertible mark
16. Mark 14 torpedo
17. Mark Wahlberg
18. Mark Olver (comedian)
19. W. Mark Lanier
20. Mark 13 torpedo