Definition of cannelure in English:

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cannelure

Pronunciation: /ˈkanlˌ(y)o͞oər/

noun

A groove around the cylindrical part of a bullet.
Example sentences
  • This bullet does not have a cannelure or crimp groove and Speer warns us it was never intended for the maximum pressures of the .500 S&W.
  • Both CorBon and Hornady have factory ammo, brass will be available from Starline and there are already quite a few suitable .45 bullets with cannelures for crimping.
  • This bullet, as all other Nosler bullets, has a cannelure that is higher on the bullet than most of those found on the jackets of other manufacturers' bullets.

Origin

Mid 18th century: from French, from canneler 'provide with a channel', from canne 'reed, cane'.

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