bullet jacket

bullet jacket

[′bu̇l·ət ‚jak·ət]
(ordnance)
A metal shell surrounding a metal core, the combination composing a bullet for small arms; the jacket is either made of or coated with a relatively soft metal which engages the rifling in the bore, causing rotation of the bullet.
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References in periodicals archive ?
Cartouche 8mm balle M--in 1895 changes to the cartridge case and bullet jacket led to the Lebers cartridge being designated the 8mm Balle M (for Modifie--Modified).
He selected cartridge brass (70 percent copper and 30 percent zinc) because it is stiffer than gilding metal, the commonly used bullet jacket, and it also has a higher yield and tensile strength.
450 KRUGER Regulates the sale of ammunition; requires imprinting of a serial number on each bullet jacket and bullet lead; requires sellers of ammunition to maintain records of all sales; makes a violation a class A misdemeanor.
They have taken copper bullet jacket blanks, inserted a tiny parchment paper with the word "peace" written on it and soldered them closed with a peace emblem and loop.
The bullet jacket features a copper base, tapering to a copper nose section for controlled expansion.
Q What is the best method to remove copper or bullet jacket fouling from a rifle bore?
In 1895 changes to the cartridge case and bullet jacket material led to it being designated the 8mm Balle M (for Modifie--Modified) although the ballistics remained unchanged.
There can be bullet jacket damage, which can lead to "blown up" bullets if we're shooting something like a 40 grain at max velocity.
When it comes to achieving top accuracy from any rifle, two things must be kept in mind; bullet jacket and powder residue fouling must not be allowed to accumulate excessively in the bore, and the more powder we burn in a particular bore size, the more often it must be cleaned in order to maintain top accuracy.
In theory the small, shallow lands grip the bullet jacket gently, causing less deformation of the bullet, yet gripping it adequately for complete stabilization.