M13 Disintergrating Metallic Link
Used with the M60, L7A1, L7A2, M240, MG1, MG3, H&K21, MAG58 Machine Guns.

Markings:

None	Small	Large	NATO Mark
Marking	Photos Overall               Marking		Finish	NATO Mark	Hole Size	Notes
M13 B P			Phosphated	No	Large	Made by British Pens
D.S.1965			Phosphated	No	Large	Made by Davis Steel
F T 6 5			Phosphated	No	Large	Made by FT Products.
F T 6 5			Phosphated	No	Large	Made by FT Products.  (marking upside down)