cannelure

(redirected from cannelures)
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cannelure

[′kan·əl·u̇r]
(ordnance)
A groove in a bullet which contains a lubricant, or into which the cartridge is crimped.
A groove in a cartridge case providing a purchase for the extractor.
A ringlike groove for locking the jacket of an armor-piercing bullet to the core.
A ringlike groove in the rotating band of a gun projectile to lessen the resistance offered to the gun rifling and to prevent fringing grooves.
References in periodicals archive ?
Corbin Manufacturing bring high-performance bullet seating to the hobby reloader with their Hand Cannelure Tool.
Adjust the expander to bell these shortened cases, then seat and crimp normally in the cannelures.
40 and above also feature crimping grooves or cannelures.
Some bullets, like the Hornady 300-grain HP/XTP have two cannelures, so you have some room to play with overall length.
Cannelures are cut into the jag below the tip to hold the patch in place.
It incorporates the Barnes Triple Shock design with cannelures now proven accurate and less prone to fouling the barrel than its predecessor, the X bullet.