I realize that this isn't the most popular configuration, but Bushmaster, Spike's, Stag, and probably a few other sell HBAR-profile rifles. Is there a common/standard diameter for a full-length HBAR or does it vary among manufacturers?
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I realize that this isn't the most popular configuration, but Bushmaster, Spike's, Stag, and probably a few other sell HBAR-profile rifles. Is there a common/standard diameter for a full-length HBAR or does it vary among manufacturers?