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The M4 carbine (officially Carbine, Caliber 5.56 mm, M4) is a 5.56×45mm NATO assault rifle developed in the United States during the 1980s. It is a shortened version of the M16A2 assault rifle. The M4 is extensively used by the US military , with decisions to largely replace the M16 rifle in US Army (starting 2010) and US Marine Corps ...
Nikon Buckmasters Rifle Scope 6-18x 40mm SF Mil-Dot mounted on a 24" Rock River Arms Varmint A4 AR-15. Rock River Arms, Incorporated is an American manufacturing company in Colona, Illinois, that manufactures parts and accessories for AR-15/M16 type rifles, as well as other firearms.
A carbine (/ ˈ k ɑːr b iː n / or / ˈ k ɑːr b aɪ n /), [1] from French carabine, [2] is a long arm firearm but with a shorter barrel than a rifle or musket. [3] Many carbines are shortened versions of full-length rifles, shooting the same ammunition, while others fire lower-powered ammunition, typically ranging from pistol/PDW to intermediate rifle cartridges.
The GA Personal Defense Weapon (PDW) is a select-fire sub-carbine made by the Philippine Government Arsenal, based on the M4 carbine/M16 rifle, which chambers the locally developed 7.62×37mm Musang cartridge. [1]
The Armed Forces of the Philippines later increased the order to 63,286 R4s which are designated as the R4A3 which is equivalent to the Colt M4 R0977 model and replaces early model M16s. [10] [11] [12] In March 2015, Remington announced that it would offer the R4 to the civilian market. [13]
Half of small-arms attacks were launched from 300 to 900 meter ranges. [134] An M855 fired from an M4 Carbine has severely degraded performance beyond 150 meters. [40] The maximum effective point target range of an M4 carbine with M855 rounds is 500 m (547 yd), with a maximum effective area target range of 600 m (656 yd).
The designation of M468 stands for an M4 carbine chambered for the 6.8mm SPC cartridge. It was an attempt to create an optimal Special Operations close-to-medium range carbine for Close Quarter Battle (CQB). A 12-inch barreled micro-carbine and 16-inch barreled carbine version were created. Barrett ceased manufacturing the rifle in 2010. [4]
The current ArmaLite AR-10 is offered in several versions including an A2 and A4 rifle or carbine with a collapsible stock, a target model (AR-10T), a "retro" AR-10B with Sudanese AR-10-style handguard and cocking lever (limited production) and one version chambered in 300 Remington SAUM.