M-60 and MG-42:

Similarities:

A: Both have a pistol-style hand grip underneath a bipod mounted barrel.
B: Both are fully automatic squad weapons (AKA, one or two per squad).
C: Both are belt-fed.
D: Both use the same ammunition as thier riflemen comrades; the M-60 and the M-16 both take 7.62mm rounds, and the MG-42 and Kar-98K both take 7.92mm rounds.

Differences:

A: The M-60 uses a 7.62mm cartridge, or .30 caliber, smaller than the 7.92mm Mauser round used by the MG-42 and German infantry rifles.
B: The MG-42 has a much faster rate of fire than the MG-42.
C: The MG-42 can in some instances be equipped with telescopic sights, allowing engagements of over a mile. This was not possible with the M-60.
D: The obvious, such as nationality, designers, producers, etc etc etc.

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