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Smokeless powder does not leave the thick, heavy fouling of hygroscopic material associated with black powder that causes rusting of the barrel (though some primer compounds can leave hygroscopic salts that have a similar effect; non-corrosive primer compounds were introduced in the 1920s). [4]: 21 )
These corrosive primers can cause serious damage to the gun unless the barrel and action are cleaned carefully after firing. Civilian ammunition manufacturers began offering non-corrosive primers in the 1920s, but most military ammunition continued to use corrosive priming mixtures of established reliability. [29]
7.62×54mmR lead core, bi-metal copper-steel full metal jacket bullet, polymer-coated steel case, non-corrosive, berdan primed. Note: Around summer 2013, some lots of this cartridge caliber from Romania contained corrosive components , thus the firearm needed to be thoroughly cleaned after each firing session.
While Pyrodex offers improved safety and increased efficiency (in terms of shots per pound of powder) over black powder, the level of fouling is similar to black powder as Pyrodex is caustic and corrosive. Therefore, the same cleaning lay regimen used on black powder fouling must be employed when Pyrodex has been used.
The BEAR series is a line of hunting ammunition. The cartridges use lead-cored Full Metal Jacketed, Soft-Point (Semi-Jacketed), or Hollow Point bullets, have steel cases with Berdan primers, and use a non-corrosive propellant and primers. The sub-brands differ only in the protective coating used on the cartridge case.
The difference in cost per round between non-corrosive modern commercial ammo and mil-surp corrosive ammo is often as much as $1 a round versus $0.20 per round. This is enough of a difference that it pays to buy a bottle of Windex to use with the case of mil-surp corrosive ammo, and plink away :-) Yaf 04:35, 22 July 2007 (UTC)
The ammunition manufacturer Prvi Partizan has brought onto the U.S. market freshly manufactured reloadable non-corrosive 7.5×54mm French ammunition loaded with a 9.0 grams (139 gr) bullet that meets the specifications of the original round. [citation needed]
Ammunition, also known as ammo, is the material fired, scattered, dropped, or detonated from any weapon or weapon system. [1] The term Ammunition includes both expendable weapons (e.g., bombs , missiles , grenades , land mines ), and the component parts of other weapons that create the effect on a target (e.g., bullets and warheads ).