M13 Disintegrating 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 BGR 1			Phosphated	No	Large	made by Associated Spring Corp, BGR Division, Plymouth, MI
M13 BGR 2			Phosphated	No	Large	made by Associated Spring Corp, BGR Division, Plymouth, MI
M13 BGR 3			Phosphated	No	Large	made by Associated Spring Corp, BGR Division, Plymouth, MI
M13 BGR 4			Phosphated	No	Large	made by Associated Spring Corp, BGR Division, Plymouth, MI
M13 BGR 5			Phosphated	No	Large	made by Associated Spring Corp, BGR Division, Plymouth, MI
M13 BGR 8			Phosphated	No	Large	made by Associated Spring Corp, BGR Division, Plymouth, MI
M13 BLM			Phosphated	No	Large	made by Barry L Miller Engineering Inc, Hawthorne, CA
M13 BLM       A			Phosphated	Yes	Large	made by Barry L Miller Engineering Inc, Hawthorne, CA
M13 BLM B			Phosphated	Yes	Large	made by Barry L Miller Engineering Inc, Hawthorne, CA
M13 BLM       C			Phosphated	Yes	Large	made by Barry L Miller Engineering Inc, Hawthorne, CA
M13 BLM D			Phosphated	Yes	Large	made by Barry L Miller Engineering Inc, Hawthorne, CA
M13 BLM D			Phosphated	No	Large	made by Barry L Miller Engineering Inc, Hawthorne, CA
M13 BLM       E			Phosphated	Yes	Large	made by Barry L Miller Engineering Inc, Hawthorne, CA
M13 BLM F			Phosphated	Yes	Large	made by Barry L Miller Engineering Inc, Hawthorne, CA
M13 BLM       G			Phosphated	Yes	Large	made by Barry L Miller Engineering Inc, Hawthorne, CA
M13 BLM H			Phosphated	Yes	Large	made by Barry L Miller Engineering Inc, Hawthorne, CA
M13 BLM J			Phosphated	No	Large	made by Barry L Miller Engineering Inc, Hawthorne, CA
M13 BLM L			Phosphated	No	Large	made by Barry L Miller Engineering Inc, Hawthorne, CA
M13 BLM N			Phosphated	No	Large	made by Barry L Miller Engineering Inc, Hawthorne, CA
BRW M-13			Phosphated	No	Large	made by Borg-Warner Corp, Chicago, IL
BRW M13			Phosphated	No	Large	made by Borg-Warner Corp, Chicago, IL
BRW M-I3			Phosphated	No	Large	made by Borg-Warner Corp, Chicago, IL
BRW M-I3			Phosphated	No	Large	made by Borg-Warner Corp, Chicago, IL
BRW M13			Phosphated	No	Large	made by Borg-Warner Corp, Chicago, IL
BRW M-I3			Phosphated	No	Large	made by Borg-Warner Corp, Chicago, IL
BRW M13			Phosphated	Yes	Large	made by Borg-Warner Corp, Chicago, IL
M13 BRW			Phosphated	No	Large	made by Borg-Warner Corp, Chicago, IL
BRW M-13			Phosphated	No	Large	made by Borg-Warner Corp, Chicago, IL
BRW M-13			Phosphated	No	Large	made by Borg-Warner Corp, Chicago, IL
BRW M I3			Phosphated	No	Large	made by Borg-Warner Corp, Chicago, IL
M  I3 GCK			Phosphated	No	Large	made by George K Garret Co Industries Inc, Philadelphia, PA
M - I3 GCK			Phosphated	No	Large	made by George K Garret Co Industries Inc, Philadelphia, PA
M-I3 GCK			Phosphated	No	Large	made by George K Garret Co Industries Inc, Philadelphia, PA
M13 SA			Phosphated	No	None	made by SA Prod.
MI3 WM I			Phosphated	Yes	Large	made by Wells Marine Inc, Costa Mesa, CA
MI3 WM 2			Phosphated	Yes	Large	made by Wells Marine Inc, Costa Mesa, CA
MI3 WM 3			Phosphated	No	Large	made by Wells Marine Inc, Costa Mesa, CA
MI3 WM 4			Phosphated	Yes	Large	made by Wells Marine Inc, Costa Mesa, CA
MI3 WM 5			Phosphated	Yes	Large	made by Wells Marine Inc, Costa Mesa, CA
MI3 WM 6			Phosphated	Yes	Large	made by Wells Marine Inc, Costa Mesa, CA
MI3 WM 7			Phosphated	Yes	Large	made by Wells Marine Inc, Costa Mesa, CA
MI3 WM 9			Phosphated	Yes	Large	made by Wells Marine Inc, Costa Mesa, CA
MI3 ZDP I			Phosphated	No	Large	made by Z-D Products, Los Angeles, CA
MI3 ZDP 2			Phosphated	No	Large	made by Z-D Products, Los Angeles, CA
MI3 ZDP 5			Phosphated	No	Large	made by Z-D Products, Los Angeles, CA
MI3 ZDP 7			Phosphated	No	Large	made by Z-D Products, Los Angeles, CA
MI3 ZDP 9			Phosphated	No	Large	made by Z-D Products, Los Angeles, CA
MI3 ZDP II			Phosphated	No	Large	made by Z-D Products, Los Angeles, CA