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Encyclopedia > .410 bore

.410 bore, commonly misnamed the .410 gauge, is the smallest caliber of shotgun shell commonly available. It has similar base dimensions to the .45 Colt revolver cartridge (though the .410 is significantly longer, up to 3 inches in length), allowing many single-shot firearms and some revolvers chambered in that caliber to fire shot without any modifications. The word calibre (British English) or caliber (American English) designates the interior diameter of a tube or the exterior diameter of a wire or rod. ... It has been suggested that Lead shot, Shotgun slug, Slug (projectile), Brenneke slug, Foster slug, specialty shotgun amunition, Flexible baton round, Breaching round, Bolo Shell, Dragons Breath, R.I.P. cartridge, Rat-shot be merged into this article or section. ... The . ... rEVOLVEr (2004) is the fourth studio album release by Swedish thrash metal band The Haunted. ... Single shot pistols have existed since the early years of firearms. ... rEVOLVEr (2004) is the fourth studio album release by Swedish thrash metal band The Haunted. ...

From left to right; a .45 ACP, a .410 Bore Shotshell, a 20 gauge shotshell, and a 12 gauge shotshell.
From left to right; a .45 ACP, a .410 Bore Shotshell, a 20 gauge shotshell, and a 12 gauge shotshell.

Contents

Image File history File links Metadata Size of this preview: 800 × 600 pixelsFull resolution (2304 × 1728 pixel, file size: 805 KB, MIME type: image/jpeg) Author:Rookie_Rover Origin: Took photo myself. ... Image File history File links Metadata Size of this preview: 800 × 600 pixelsFull resolution (2304 × 1728 pixel, file size: 805 KB, MIME type: image/jpeg) Author:Rookie_Rover Origin: Took photo myself. ... .45 ACP cartridges .45 redirects here. ...

Naming

The .410 caliber is a bore and not a gauge because the barrel diameter is .410 inches (10.4 mm); a true gauge is a measurement of the number of lead balls of bore diameter that constitute a pound (454 gram). The .410, when measured by gauge, is a 67 gauge. A true gauge measuring .410 would have a 2.25 inch (57 mm) bore; a 410 gauge would measure .225 inches (5.7 mm). .410 is the only popular shotgun cartridge named by bore rather than gauge, leading to some confusion. The Gauge of a Shotgun is the diameter (caliber) of the barrel. ... For Pb as an abbreviation, see PB. General Name, Symbol, Number lead, Pb, 82 Chemical series Post-transition metals or poor metals Group, Period, Block 14, 6, p Appearance bluish gray Standard atomic weight 207. ...


Uses

As the smallest of traditional shotgun sizes, .410 bore guns throw the least weight of shot. This results in a very low recoil, so the .410 is often chosen for young shooters, who might have problems with a heavier recoiling shotgun. Some shooters however do discourage the use of the .410 as an introduction for young shooters, both because the negligible recoil does not familiarize the beginners with the heavier recoil of larger cartridges such as the 12 gauge, and because of the difficulty in hitting moving targets with the small charge of shot used by the .410. For other uses, see Shotgun (disambiguation). ...


Some competitive shooters choose the .410 bore because of the challenge it presents; .410 bore guns generally have full chokes to form a tight pattern with the small load of shot, and this makes hitting moving targets very challenging. By using sub-gauge inserts, a 12 gauge break open action can be temporarily converted down as far as a .410 bore to provide additional challenge when training, or to handicap the shooter. For other uses, see Shotgun (disambiguation). ... A 32 ACP FMJ cartridge, a 32 ACP FMJ cartridge in a blued . ... It has been suggested that this article or section be merged into shotgun. ... See also: Handicap (competition) Handicapped is an adjective used to refer to a person or animal who is partially disabled or unable to use a limb or limbs. ...


The .410 bore is also commonly used for small game animals such as squirrel and rabbit, where the small diameter patterns of a full choke are less problematic than with birds. Genera Many, see the article Sciuridae. ... Genera Pentalagus Bunolagus Nesolagus Romerolagus Brachylagus Sylvilagus Oryctolagus Poelagus Rabbits are small mammals in the family Leporidae of the order Lagomorpha, found in several parts of the world. ...


The .410 bore is considered far inferior to the traditional 12 gauge riot shotgun for defensive use[1], though a number of companies market defensive guns chambered in .410, such as the Mossberg 500 Home Security model. Defensive ammunition is harder to find, since most .410 bore shells are loaded with birdshot. American Derringer and Winchester market .410 bore 000 buckshot with 5 pellets in 3 inch and 3 in 2.5 inch shells[2][3], compared to the 10 pellets in a 3 inch 12 gauge, or 12 00 pellets in a 2 3/4 12 gauge. With slug loads, the .410 bore compares better, with about 750 ft. lbs. of muzzle energy, comparable to a .44 Magnum handgun loading[4]. Mossberg 590 pump-action riot shotgun, with 20 inch barrel Remington model 870 pump-action riot shotgun held by a Florida Highway Patrol cadet A riot shotgun is a shotgun designed or modified for use as a primarily defensive weapon. ... Mossberg 500 Field model, with a 28 inch vent rib barrel The Mossberg 500 is a shotgun manufactured by O.F. Mossberg & Sons [1]. Rather than a single model, the 500 is really a series of widely varying hammerless, pump action repeaters, all of which share the same basic receiver... A shotgun slug is a single projectile designed to be fired out of a shotgun. ... .44 Magnum Colt Anaconda The . ... A Browning 9 millimeter Hi-Power Ordnance pistol of the French Navy, 19th century, using a Percussion cap mechanism Derringers were small and easily hidden. ...


Survival arms

The small size of the .410 bore makes it popular for use in compact firearms carried for emergency use. Commonly these are combination guns, with a .22 Hornet or .22 rimfire rifle barrel mounted over a .410 bore shotgun barrel. The most famous of these is the M6 survival rifle made by Springfield Armory, Inc. for the US Air Force, and a number of copies are made by other makers. The original has a 12 inch barrel, the same length as the stock, and folds in half for storage, making a compact package. This is classified as a sawed-off shotgun, so 18 inch barrelled models are made for civilian sales. Special flare cartridges in .410 were issued with the USAF model. A picture showing typical combination gun (top), drilling (middle), and vierling (bottom) barrel layouts A combination gun is a shoulder-held sporting firearm that comprises at least two barrels, a rifle barrel and a shotgun barrel, often but not always in an over and under configuration. ... The . ... A rimfire is a type of firearm cartridge. ... This article does not cite any references or sources. ... Springfield Armory, Inc. ... A sawed-off shotgun (U.S.) or sawn-off shotgun (UK) is a type of shotgun with a shorter gun barrel and often a shorter or deleted stock, compared to a standard shotgun. ...


The Thompson Center Arms Contender pistols are commonly encountered with a special .45 Colt/.410 bore barrel. The barrel is rifled for the .45 Colt, but has a special choke and vent rib to make it function as a shotgun. Due to the rifled barrel, the assembled firearm is considered a rifle or pistol (depending on barrel length) and thus is not subject to the National Firearms Act 18 inch minimum barrel length. Thompson Center Arms is an American firearms company based in Rochester, New Hampshire. ... This article does not cite any references or sources. ...


Handguns

The fact that the .410 bore shell fits in a .45 Colt chamber has resulted in some unusual applications. While shotguns are often limited in minimum length, a firearm chambered in .45 Colt, such as the Contender pistol, is not defined as a shotgun even though it can chamber shotgun shells. American Derringer has long offered .45 Colt/.410 bore derringers[5], and recently Taurus and Magnum Research both began to offer revolvers with extended cylinders, chambered for .45 Colt but long enough to hold .410 shells as well. Magnum Research's is an expensive single-action model in their BFR (Biggest, Finest Revolver) line, while the inexpensive Taurus model is similar in price to their other double-action revolvers. A sawed-off shotgun (U.S.) or sawn-off shotgun (UK) is a type of shotgun with a shorter gun barrel and often a shorter or deleted stock, compared to a standard shotgun. ... The term derringer is a genericized misspelling of the last name of Henry Deringer, a famous maker of small pocket pistols in the 1800s. ... Look up taurus, Taurus in Wiktionary, the free dictionary. ... Please wikify (format) this article or section as suggested in the Guide to layout and the Manual of Style. ...


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