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5.56×45mm /.223 Remington. Action. Gas-operated, rotating bolt. Rate of fire. Semi-automatic. Feed system. 10-, 20-, or 30-round detachable box magazine (STANAG 4179) The Smith & Wesson M&P15 is an AR-15 style semi-automatic rifle by Smith & Wesson. Introduced in 2006, the firearm is designed for police use and consumer markets.
The .223 designation is a reference to the popular .223 Remington. It is currently the fastest production .22 caliber round in the world with muzzle velocities as high as 4,600 feet per second (1,402 meters per second). However, the .220 Swift still holds the record as the fastest .22 caliber centerfire cartridge with a published velocity of ...
The M&P15-22 was designed to be a less expensive alternative for training with an AR-15 style rifle, as the rifle itself is much less expensive than most AR-15s, and the .22 LR ammunition is often much less expensive than the .223 Remington/5.56×45mm NATO. The rifle features a safety and bolt lock that operate just like an AR-15's.
The .223 Remington (designated 223 Remington by SAAMI [4] and 223 Rem. by the C.I.P. [5]) 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 a small-caliber, high-velocity firearm.
Bill Wylde of Greenup, Illinois, compared the two cartridges and changed the chamber of the rifle's barrel to a specification he called the .223 Wylde chamber. The chamber is made with the external dimensions and leade angle found in the military 5.56×45mm NATO cartridge and the 0.2240 in (5.69 mm) freebore diameter found in the civilian SAAMI.
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]
.22 Long Rifle: Bolt-action Norway: 1967 McMillan Tac-50: McMillan Brothers Rifle Company .50 BMG: Bolt-action United States: 1980s AMR-2: China South Industries Group: 12.7×108mm: Bolt-action China: 2000 approx. JNG-90: MKEK: 7.62×51mm NATO: Bolt-action Turkey: 2004 Alejandro sniper rifle: Union de Industrias Militares: 7.62×54mmR: Bolt ...
M24 sniper weapon system. 5.6 kg (12 lb) empty, without scope (M24A3). The M24 Sniper Weapon System (SWS) or M24 is the military and police version of the Remington Model 700 rifle, M24 being the model name assigned by the United States Army after adoption as their standard sniper rifle in 1988. The M24 is referred to as a "weapon system ...