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The 20- gauge shotgun, also known as 20 bore, is a type of smoothbore shotgun. 20-gauge shotguns have a bore diameter of .615 in (15.6 mm), while the 12-gauge has a bore diameter of .729 in (18.5 mm). [2] 12-gauge and 20-gauge shotguns are the most popular gauges in the United States. [3][4] The 20-gauge is popular among upland game hunters ...
A milliradian (SI-symbol mrad, sometimes also abbreviated mil) is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian). Milliradians are used in adjustment of firearm sights by adjusting the angle of the sight compared to the barrel (up, down, left, or right).
The standard model holds five 2.75-inch (70 mm) or five 3-inch (76 mm) shells in the magazine and one in the chamber. The Model 500 is available in 12 gauge, 20 gauge, and .410 bore, with the 12 gauge being the most popular and having the most optional features available. A 16 gauge model was introduced in 1963 and later discontinued. [15] [16 ...
The SNL was an inventory system used from 1930 to 1958 to catalog all the items the Army's Ordnance Corps issued. The AIC was used by the United States Army Ordnance Corps from January, 1942 to 1958. It listed munitions and explosives (items from SNLs P, R, S, and T), items that were considered priority issue for soldiers in combat.
A thousandth of an inch is a derived unit of length in a system of units using inches. Equal to 1000 of an inch, a thousandth is commonly called a thou / ˈθaʊ / (used for both singular and plural) or, particularly in North America, a mil (plural mils). The words are shortened forms of the English and Latin words for "thousand" (mille in Latin).
Remington Model 870. Bead, twin bead, adjustable open sights, or ghost ring (all iron sights). Also cantilever and receiver-mounts for scopes [3] The Remington Model 870 is a pump-action shotgun manufactured by Remington Arms Company, LLC. It is widely used by the public for shooting sports, hunting and self-defense, as well as by law ...
American Wire Gauge (AWG) ... 10 ohms / 1000 feet for 20 AWG, ... A circular mil is the area of a wire one mil in diameter. One million circular mils is the ...
In 1979, Ruger began to offer the Red Label in 12 Gauge and eventually a scaled-down version in 28 Gauge (1994). The design was born of William B. Ruger's desire to produce a quality US made over and under shotgun. In order to achieve this and put quality on par with hand-made European shotguns, Ruger invested in expensive machinery to do most ...