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1120 Views 6 Replies 4 Participants Last post by  javven
i just want to know what is the purpose the the vents or ribs on a shotgun barrel? They dont seem to vent anything the barrel is just as hot when fired alot and they give no room for a heatshield.
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"Vented rib" means that air passes through the rib. So yes, they do vent air so the term is accurate.

The vented rib exposes more of the metal to air which will allow it to cool off faster. Yes, this means there is less metal to act as a heat sink, but that is more than offset by the extra cooling.

Vented ribs make for a lighter gun overall and look cool too.

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