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The Sterling submachine gun is a British submachine gun (SMG). It was tested by the British Army in 1944–1945, but did not start to replace the Sten until 1953. A successful and reliable design, it remained standard issue in the British Army until 1994, [18] when it began to be replaced by the L85A1, a bullpup assault rifle.
A bullpup conversion of the AR-15 was previously considered but the buffer tube in stock prevented the idea from reaching fruition. [ 11 ] Technically, in the mid-1970s, the 4.85×49mm round was seen as superior to the then existing version of 5.56mm M193 round in use by the US (for the M16/M16A1 ) and by other forces.
The Bell Laboratories suppressor was estimated to be only 80% as efficient as the British suppressed STEN Mk IIS. [18] With its stamped, riveted, and welded construction, the M3 was originally designed as a minimum-cost small arm, to be used and then discarded once it became inoperative.
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 ...
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]
An improved Mk II with an increased rate of fire introduced in 1918. Mark III. A further upgrade of the Mk II with an even faster rate of fire and the barrel shroud removed, introduced later in 1918. [69] Mark III*. The British designation for the US .30-06 M1918 aircraft gun, some 46,000 of which were imported for the use of the Home Guard in ...
A receiver operating characteristic curve, or ROC curve, is a graphical plot that illustrates the performance of a binary classifier model (can be used for multi class classification as well) at varying threshold values. The ROC curve is the plot of the true positive rate (TPR) against the false positive rate (FPR) at each threshold setting.
The design of the PZM was developed by Fassmer GmbH & Co. KG, a German company to meet the Chilean Navy's requirements under the Danubio IV project. The contract for ASMAR to build the PZMs was signed on May 20, 2005, with Northrop Grumman, Sisdef (a consortium of BAE Systems and shipbuilder ASMAR) and Rohde & Schwarz participating as main subcontractors at a cost of US$54 million to be ...