bn:02912073n
Noun Concept
Categories: Firearm components, All articles that may contain original research
EN
polygonal rifling  hexagonal rifling  Metford rifling  polygonally rifled
EN
Polygonal rifling is a type of gun barrel rifling where the traditional sharp-edged "lands and grooves" are replaced by less pronounced "hills and valleys", so the barrel bore has a polygonal cross-sectional profile. Wikipedia
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EN
Polygonal rifling is a type of gun barrel rifling where the traditional sharp-edged "lands and grooves" are replaced by less pronounced "hills and valleys", so the barrel bore has a polygonal cross-sectional profile. Wikipedia
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