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The overall length (OAL) of an ammunition cartridge is a measurement from the base of the brass shell casing to the tip of the bullet, seated into the brass casing. Cartridge overall length, or "COL", is important to safe functioning of reloads in firearms.
Components of a modern bottleneck rifle cartridge. Top-to-bottom: Copper-jacketed bullet, smokeless powder granules, rimless brass case, Boxer primer.. Handloading, or reloading, is the practice of making firearm cartridges by manually assembling the individual components (metallic/polymer case, primer, propellant and projectile), rather than purchasing mass-assembled, factory-loaded ...
This specified O.A.L. has nothing to do with optimizing accuracy, and is typically much shorter than the O.A.L. used by handloaders for the same cartridge. For the last several decades, the rule of thumb was the closer you seated the bullet to the lands, the better the accuracy.
Headstamp is the letter "M" at 9 o'clock and 3 o'clock facing the primer annulus and the caliber at 12 o'clock and 6 o'clock facing the rim. Musgrave went out of business in 1996. Its rifle shop was bought out by Vektor and its ammunition production was bought out by Pretoria Metal Pressings (PMP).
The 6.5mm Creedmoor (6.5×48mm), [6] designated 6.5 Creedmoor by SAAMI, 6,5 Creedmoor by the C.I.P. [4] is a centerfire rifle cartridge introduced by Hornady in 2007. [7]It was developed by Hornady senior ballistics scientist Dave Emary in partnership with Dennis DeMille, the vice-president of product development at Creedmoor Sports, hence the name.
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A tactical reload is reloading a weapon that has only fired a few rounds out of its magazine, and retaining the original magazine. [1] [2] An example is an infantryman reloading before entering a hostile building, concerned about ammunition. [3]