Obsolete Cartridges: Unlocking the Specifications with Muzzle First LLC - Muzzle First LLC

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Obsolete Cartridges

DISCLAIMER: Any and all loading data found here is to be taken as reference material only. This site and it's entities bear no responsibility for the use by others of the data included here.

WARNING: For any modern firearm, it is essential that you adhere to the loading recommendations put forth in the reloading manuals of today’s components manufacturers, as well as to the owners manual of the maker of your individual firearm. The potential for things to go wrong is exacerbated in guns long out of production, those chambering obsolete cartridges, and those using cartridges containing blackpowder or cordite. As a separate caution, you must never fire any cartridge in any gun just because it looks similar to, or has a similar designation to, the cartridge the gun is chambered for. This can be extremely dangerous. Almost is not good enough, so if you are at all uncertain about the proper cartridge, have a competent gunsmith check the bullet diameter and case dimensions and firearms chamber and headspace.
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Cartridges of the World, 17th Edition: The Essential Guide to Cartridges for Shooters and Reloaders
2.7mm Kolibri Auto - The 2.7mm Kolibri Auto is the smallest commercially manufactured centerfire pistol cartridge.
5mm Remington Rimfire Magnum - The 5mm Remington Rimfire Magnum was announced in 1969, but not actually introduced until 1970.
.256 Winchester Magnum - The .256 Winchester Magnum was announced, in 1960, as a new handgun cartridge.
.35 Winchester Self-Loading (.35 WSL) - The .35 SL was the original cartridge for the Winchester Model ’05 semi-auto rifle, introduced in 1905.
.405 Winchester - The .405 is another of the rimmed cartridges developed for the Winchester Model 1895 lever-action rifle.
.44 Auto Mag - Introduced late in 1971, this cartridge was developed for the Auto Mag pistol designed by the late Harry Sanford of Pasadena, California.
8x54mm Krag-Jorgensen - This cartridge is based on the necked-up 6.5x55mm Swedish-Norwegian military round
.357 Auto Mag - The .357 Auto Mag is an outgrowth of the .44 Auto Mag and is based on the .44 Auto Mag case necked-down to .35-caliber.
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