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Black oxide or blackening is a conversion coating for ferrous materials, stainless steel, copper and copper based alloys, zinc, powdered metals, and silver solder. [1] It is used to add mild corrosion resistance, for appearance, and to minimize light reflection. [ 2 ]
In addition, under US gun law, a receiver that is legally a machine gun cannot legally become semi-automatic. [4] There is no federal restriction on the purchase and import of machine gun parts kits (minus the barrel), however. [3] Parts kits are available for many firearms including the AR-15 and AKM variants. [5] [6] [7]
Similarly, stainless steel parts may be immersed in a mixture of nitrates and chromates, similarly heated. Either of these two methods is called 'hot bluing'. Hot bluing is the current standard [ 7 ] in gun bluing, as both it and rust bluing provide the most permanent degree of rust-resistance and cosmetic protection of exposed gun metal, and ...
Nine companies that sell unfinished guns without serial numbers, used to make untraceable "ghost guns," must face a lawsuit by New York's Democratic attorney general seeking to halt their business ...
Here are 8 gun manufacturers that pride themselves on being 100% ... use some imported parts. But for gun owners who want to buy American, there are a few brands that make their guns completely in ...
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Cugir Arms Factory is a Romanian state owned defence company that is one of the oldest defence companies of Romania. Cugir Arms Factory has a history that can be traced back to 1799 during the Austrian Empire. The steel manufacturing workshops were founded in Cugir, Romania which is one of the first metallurgical factories in Transylvania ...
Cerberus indicated that the decision to sell the company stemmed from publicity surrounding the use of a Bushmaster rifle in the Sandy Hook Elementary School shooting. According to the company: "It is apparent that the Sandy Hook tragedy was a watershed event that has raised the national debate on gun control to an unprecedented level." [9] [11]