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  2. AR-15–style rifle - Wikipedia

    en.wikipedia.org/wiki/AR-15style_rifle

    An AR-15style rifle is a lightweight semi-automatic rifle based on or similar to the Colt AR-15 design. The Colt model removed the selective fire feature of its predecessor, the original ArmaLite AR-15 , which is a scaled-down derivative of the AR-10 design (by Eugene Stoner ).

  3. Ruger SR-556 - Wikipedia

    en.wikipedia.org/wiki/Ruger_SR-556

    The SR-556 is a semi-automatic AR-15 style rifle manufactured by Sturm, Ruger & Co. The rifle was introduced in 2009 in .223 Remington/5.56×45mm NATO and as a .308 Winchester AR-10 variant in 2013, the SR-762. [4] It is one of several AR-15 rifles to use a gas piston operation.

  4. Nighthawk Custom - Wikipedia

    en.wikipedia.org/wiki/Nighthawk_Custom

    Nighthawk Tactical makes a range of "tactical military knives". There are four models: Model 510, Model 525, Model 530 and Model 550. They are very similar in material but vary in finish and blade length with the longest being 7" in the Model 550 and the shortest being the 3 1 ⁄ 2 " Model 525 blade.

  5. List of AR platform cartridges - Wikipedia

    en.wikipedia.org/wiki/List_of_AR_platform_cartridges

    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 ]

  6. List of ArmaLite rifles - Wikipedia

    en.wikipedia.org/wiki/List_of_ArmaLite_rifles

    An inexpensive, easy to make, stamped steel rifle. Also known as "The Widowmaker" in Northern Ireland. AR-180: 5.56×45mm NATO: Howa Machinery Company, Sterling Armaments Company: Semi-automatic rifle version of the AR-18. AR-100 AR-101 AR-102 AR-103 AR-104: 5.56×45mm NATO: ArmaLite, Elitool: AR-100 series [4] based on the AR-16 that used a ...

  7. AR-15 style rifles rose to iconic status in US via ... - AOL

    www.aol.com/news/ar-15-style-rifles-rose...

    A bill in Congress supported by conservative representatives even wants to designate the AR-15 style rifle as "the National Gun of the United States." The AR platform of rifle - used in several of ...

  8. Smith & Wesson M&P15 - Wikipedia

    en.wikipedia.org/wiki/Smith_&_Wesson_M&P15

    In May 2008, Smith & Wesson introduced their first AR-15 style rifle in a new caliber, the model M&P15R, a standard AR platform rifle chambered for the Russian 5.45×39mm cartridge. [11] This was due to the availability cheap surplus Communist Bloc 5.45mm ammunition and AK-series weapons. [ 11 ]

  9. What can an AR-15 do to the human body? A trauma surgeon ...

    www.aol.com/news/ar-15-human-body-trauma...

    An AR-15 or similar rifles are semiautomatic, military-style weapons that can fire at least 30 rounds, the number of bullets a magazine typically carries, according to NPR. The term semiautomatic ...