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European and eastern military or surplus ammunition often uses corrosive or slightly-corrosive Berdan primers because they work reliably even under severe conditions, and have a longer storage life than the non-corrosive type primers currently in use. Modern Boxer primers are almost always non-corrosive and non-mercuric.
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.
7.62×39mm HP lead core, bi-metal copper-steel hollow point bullet, polymer coated steel case, non-corrosive, berdan primed [9] 7.62×39mm ELITE lead core, copper full metal jacket bullet, brass case, non-corrosive, boxer primed [10] 7.62×54mmR lead core, bi-metal copper-steel full metal jacket bullet, polymer-coated steel case, non-corrosive ...
Most surplus ammunition is steel-cased and uses Berdan primers, which effectively hinders its use for handloading. However, with the increased popularity of surplus Eastern-bloc Mosin–Nagant, SVT-40, and PSL rifles in the United States, Boxer-primed ammunition and unfired cases are increasingly available; these cases take large rifle primers.
Berdan and Boxer primers are used in centerfire cartridges; the primers differ in construction. Various priming mixtures have been used in different sized primers to effect prompt ignition of the powder charge. Particles with relatively high heat capacity are required to promptly ignite smokeless powder deterrent coatings. Some priming ...
Unlike the USGI ammo, which has non-corrosive Boxer primers, it has corrosive Berdan primers. The cases have longitudinal scratches along the sides, like they have been reloaded. The bullet has a black sealant at its base and the primer has a clear pinkish-red sealant rather than an opaque red sealant. They come packed in 50-round cartons.
The primer type can be Berdan or Boxer Large Rifle. [24] U.S. Army Research Laboratory (ARL) research papers on the influence of Berdan and Boxer primer spit-hole diameter on 7.62-mm cartridge performance concluded the primary advantage of a Berdan primer is that they are less expensive than a Boxer primer due to their reduced complexity.
Centerfire primers are a separately manufactured component, seated into a central recess at the case base known as the primer pocket, and have two types: Berdan and Boxer. Berdan primers, patent by American inventor Hiram Berdan in 1866, are a simple capsule, and the corresponding case has two small flash holes with a bulged bar in between ...