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The first project undertaken by the company was an injection molded AR-15 rifle lower receiver. The company then moved to AR-10 style rifle lower receivers, and finally pistol receivers. [14] The name of the company refers to the injection molding process combined with the common designation of unfinished receivers as "80% receivers". [14]
A disassembled Mauser action showing a partially disassembled receiver and bolt. In firearms terminology and law, the firearm frame or receiver is the part of a firearm which integrates other components by providing housing for internal action components such as the hammer, bolt or breechblock, firing pin and extractor, and has threaded interfaces for externally attaching ("receiving ...
Under U.S. federal law, the creation of a firearm for non-commercial purposes (i.e., personal use) has, almost without exception, been unlicensed and legal.Since the passage of the Gun Control Act of 1968, however, anyone intending to manufacture firearms for sale or distribution is required to obtain a Federal Firearms License, and each firearm made is required to bear a unique serial number.
Sometimes referred to as the Brady bill loophole, [14] the Brady law loophole, [15] the gun law loophole, [16] or the private sale loophole, [17] [18] the "loophole" characterization refers to a perceived gap in laws that address what types of sales and transfers of firearms require records or background checks. [19]
The jig borer popularized the ideas of coordinate dimensioning (dimensioning of all locations on the part from a single reference point); working routinely in "tenths" (ten-thousandths of an inch, 0.0001") as an everyday machine capability; and using the control to go straight from drawing to part, circumventing jig-making. In 1920 the new ...
The Japanese were also looking for new designs, notably those using inline engines, where they had little experience and purchased the three D-0s for 1.2 million RM, as well as a license for production and a set of jigs for another 1.6 million RM. The three D-0s arrived in Japan in May 1940 and were re-assembled at Kasumigaura.
80 Plus (trademarked 80 PLUS) is a voluntary certification program launched in 2004, intended to promote efficient energy use in computer power supply units (PSUs). Certification is acquirable for products that have more than 80% energy efficiency at 20%, 50% and 100% of rated load, and a power factor of 0.9 or greater at 100% load.
This process suffered from low recoveries (80–83%), a long cycle time (4–5 days) that caused large in-process inventories, inefficient use of labor and energy, and poor workplace hygiene. [11] After a test work program undertaken at Ausmelt’s facilities in Melbourne, BHAS switched to using a process based on the Sirosmelt top-submerged ...
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