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T3AGD = 675 Shells, Shotgun, 12 Gauge, No.8 Chilled Shot, in 25-shell cartons. 27 cartons per wooden M1917 ammunition packing box. Gross Weight: 94 lbs. Volume: 1.5 cubic feet. T3AGE = 360 Shells, Shotgun, 12 Gauge, No.8 Chilled Shot, in 10-shell cartons. 12 cartons per M10 metal ammo can (120 shells). 3 × M10 ammo cans per M15 wooden crate.
Military use of combat shotguns through the 20th century has created a need for ammunition maximizing the combat effectiveness of such weapons within the limitations of international law. 12-gauge has been widely accepted as an appropriate bore diameter to provide an effective number of projectiles within an acceptable recoil. Early 12-gauge ...
This measurement comes from the time when early cannons were designated in a similar manner—a "12 pounder" would be a cannon that fired a 12-pound (5.4 kg) cannonball; inversely, an individual "12-gauge" shot would in fact be a 1 ⁄ 12 pounder. Thus, a 10-gauge shotgun has a larger-diameter barrel than a 12-gauge shotgun, which has a larger ...
The bulk and weight of shotgun ammunition also limits its utility as a general-issue weapon. Weight per 100 rounds of an average 12-gauge 00-buck 2 + 3 ⁄ 4 -inch (70 mm) shell is 4.65 kg (10.25 lb); for an average .223/5.56 round, weight per 100 rounds is about 1.22 kg (2.69 lb) or a 3.8:1 weight ratio of 12-gauge buckshot and 5.56×45mm.
For example, the barrel of a 12-gauge shotgun is equal to the diameter of a 1/12 of a pound lead ball (0.729 in) and a 20-gauge can fit a 1/20 pound lead ball (0.615 in). Using this method, a .410 bore is equivalent to a (hypothetical) 67-gauge, instead of the incorrectly labeled 36 gauge (0.506) in Europe and South America. [14] [15]
In 1940 the British Purchasing Commission contracted 1.4 million mortar ignition cartridges (essentially a type of blank 12-gauge shotgun cartridge). [4] In the next year, Federal won an $87 million contract from the United States government (approx. $1.3 billion in 2010) to build and operate the $30 million Twin City Ordnance Plant. [2]
The 2008–2016 United States ammunition shortage was a shortage of civilian small arms ammunition in the United States that started in late 2008, [1] and continued through most or all of 2010, with an additional shortage beginning in December 2012 and continuing throughout 2013.
The New York sporting goods firm of Schuyler, Hartley & Graham purchased two small New England cartridge manufacturers in 1866. Machinery from the Crittenden & Tibbals Manufacturing Company of South Coventry, Connecticut, and from C.D. Leet of Springfield, Massachusetts, was moved to Bridgeport where ammunition production began as the Union Metallic Cartridge & Cap Company until the operation ...