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What does HB stand for?

HB stands for Heavy Barrel (M2 Cal. 50 machine gun)

This definition appears very rarely and is found in the following Acronym Finder categories:

  • Military and Government

See other meanings of HB

Other Resources:
We have 37 other definitions for HB in our Acronym Attic

Samples in periodicals archive:

Sportster 55-inch Heavy Barrel Rifle Case is constructed of 600-denier high-density polyester with extra soft fabric inside.