cannelure


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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 ?
was given an order for 200,000 rounds for their shorter cartridge, with an added case cannelure and a knurled cannelure on the bullet.
I used Hornady dies to prepare the loads, and the seating die applies a neat roll crimp into the bullets' cannelures.
When it began to yaw, the long 77-grain bullet broke apart at the cannelure and ultimately into four pieces--base, copper nose jacket, and two pieces of lead, all of which penetrated at least 10 inches.
V-Crown features a stacked hollow point bullet design with additional hollow point cavity and a unique toothed cannelure which ensures maximum weight retention and terminal expansion.
38 WCF bullets--whether lead alloy or jacketed--must have a crimping groove (lead alloy ones) or knurled cannelure (jacketed ones).
Its a classic cup-and-core bullet with the advantage of a crimping groove that also acts as a cannelure.
La production de papier Kraft et papier Cannelure (Test liner) a enregistre une augmentation respective de 18% et 16%, soit une augmentation globale de la production de 17% par rapport au 1er trimestre 2014.
These were necked down to 7mm and loaded with a 7mm bullet whose crimping cannelure was closer to the bullet's base then was usual.
The Super Hammerhead bullet is a bonded bullet that has a thick cannelure.
A few forming operations later--steps that give a particular curve to the nose, punch in any hollow point, possibly press a cannelure around the waist and then usually a final sizing--you'd have a finished bullet.
If the bullet can be inserted up to the case neck or cannelure on the bullet the barrel is excessively worn and needs to be replaced.
lt;< Des chasseurs de la fin de l'age glaciaire dans la region du lac Megantic : decouverte des premieres pointes a cannelure au Quebec.