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Front cover – The M16A1 Rifle – Operation and Preventive Maintenance by Will Eisner, issued to American soldiers in the Vietnam War. An inadequately maintained firearm will often accumulate excessive fouling and dirt within the barrel and receiver, which not only can clog up the rifling and decrease the firearm's accuracy and precision, but can also interfere with the proper operation of ...
Black oxide provides minimal protection against corrosion, unless also treated with a water-displacing oil to reduce wetting and galvanic action. In colloquial use, thin coatings of black oxide are often termed 'gun bluing', while heavier coatings are termed 'black oxide'. Both refer to the same chemical process for providing true gun bluing. [1]
Prior to the banning of the trade in 1965, dugong oil was a popular Australian product. Brisbane chemists bought it in large quantities and it was also used in the production of cosmetics. Dugong bone, when turned into charcoal, was said to be the best charcoal for sugar refining. A ban on hunting dugongs in Moreton Bay was enacted on 20 March ...
Diagram of recoil mechanism, British 60-pounder gun Mk.I, 1916 The idea of using a water brake to counteract the recoil of naval cannons was first suggested to the British Admiralty by Carl Wilhelm Siemens in early 1870s, but it took about a decade for other people (primarily Josiah Vavasseur) to commercialize the idea.
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Design and build a complete rifle, shotgun, or combination gun from start to finish. Top-end custom gunmaking: A good example of a firearm type requiring the skills of a Master Gunsmith is a Combination Gun, commonly referred to as a "Drilling". These are highly complex hand-made long guns with several joined barrels.
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Oil prices are known to swing dramatically and, often, quickly. Any investor putting money to work, whether it be $100, $1,000, or $100,000, has to be prepared for periods of weakness because they ...