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The .223 Remington (designated 223 Remington by SAAMI [4] and 223 Rem. by the C.I.P. [5], pronounced "two-twenty three") is a rimless, bottlenecked, centerfire intermediate cartridge. It was developed in 1957 by Remington Arms and Fairchild Industries for the U.S. Continental Army Command of the United States Army as part of a project to create ...
In Norway there have been several examples of .308 Winchester cartridges being fired in Norwegian K98k surplus rifles rechambered for .30-06 Springfield. In Norwegian military nomenclature the first is called 7.62×51 mm (nicknamed " 7.62 kort ", literally '7.62 short'), while the latter is called 7.62×63 mm (nicknamed " 7.62 lang ", literally ...
The brass suppliers or cartridge manufacturers would sometimes have the brass batch or cartridge lot number to the right of their code letter. The post-war headstamp had the manufacturer code (AI / EMZ or NWM) at the 6 o'clock position. AI Artillerie Inrichtingen NV ("Artillery Factories") (1679–1983) – Zaandam-Hembrug, Netherlands ...
Early new production (marked "RBA") used Berdan primed brass cases. Full production (marked "RIVERBRAND") used newly manufactured Boxer-primed cases in a variety of service pistol and "wildcat" sporting rifle cartridges, as well as new brass for handloaders. They also made ammo for Sportco in Adelaide under the SPORTCO headstamp. Riverbrand was ...
Snake shot (AKA: bird shot, rat shot and dust shot) [57] refers to handgun and rifle rounds loaded with small lead shot. Snake shot is generally used for shooting at snakes, rodents, birds, and other pests at very close range. The most common snake shot cartridge is .22 Long Rifle loaded with No. 12 shot. From a standard rifle these can produce ...
When the firearm is out-of-battery, the round is not fully chambered, or the bolt face is not against the rear of the cartridge, and if the round is fired in this situation, the case will fail, causing high-pressure hot gases, bits of burning propellant, and fragments of the casing itself to be thrown at high speed from the firearm.
The AR-15 rifle usually comes chambered for either the military cartridge 5.56×45mm or the .223 Remington. Because of the pressures associated with the 5.56×45mm, it is not advisable to fire 5.56×45mm rounds in an AR-15 marked as .223 Remington, since this can result in damage to the rifle or injury to the shooter. [ 1 ]
The barrels on the rifles use epoxy resin to bed the barrel to the stocks. Magazine boxes were manufactured from plate steel for rigidity and were also welded to the receiver. A-Square rifles were engineered to allow the firing pin to retract further into the bolt body than other firearms (.400 in (10.2 mm)).