The M14 is always lots lighter than the GPMG that I carried in the battalion!
Oh yah, when I asked my Pl Warrant for an SMG or pistol that a machinegunner was supposed to be issued (I studied my Table of Organization Elements), I was told to enjoy carrying the GPMG with my C1A1 to protect me! 
Welcome
to the PPCLI ! yuk yuk yuk Thank goodness I was a gym rat back then (and still a gym rat with my yoga classes
)

Barney
Welcome

Barney