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AR15 Semi-Automatic Rifle:
(Part 1. AR15 - Part 2. M16 - Part 3. M4)

 The trademark "AR15" or "AR-15" is registered to Colt Industries, which maintains that the term should only be used to refer to their products. Other manufacturers make AR-15 clones marketed under separate designations, although colloquially, these are sometimes also referred to by the terms "AR-15" and "AR-15 Platform".

 The AR-15 (ArmaLite Model 15) is a widely owned semi-automatic rifle, of which the most famous derivative is the selective fire (Full-Auto / Semi Auto) M16 series assault rifle used by the United States military. The "AR" in AR-15 comes from the ArmaLite name.

 Standard AR-15 rifles accept detachable magazines of widely varying capacities, most common are 10, 20, or 30 round magazines, but other capacities are also available, in addition to various drum magazines, and have a pistol grip that protrudes beneath the stock. The AR-15 is a lightweight, air-cooled, magazine-fed, autoloading, centerfire rifle that fires a .223 Remington Cartridge. The original Armalite/Colt AR-15 was a selective-fire prototype submitted for consideration as a military infantry rifle, and is distinguished from later civilian-model AR-15 and AR-15A2 rifles marketed by Colt Firearms.

 Today the civilian-model AR-15 and its variations are manufactured by many companies and have captured the affection of sport shooters and police forces around the world due to their low cost, accuracy, and modularity. Semi-automatic variants of the AR-15 are effectively identical in appearance. In semi-automatic only variants, the selector only rotates between safe and semi-automatic. The AR-15 rifle is available in a wide range of configurations from a number of manufacturers. These configurations range from short carbine-length models with features such as adjustable length stocks and optical sights, to heavy barrel models.

AR15 Accessories:

AR15 Rifles:

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