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MK18 MOD 0 (MK18 MOD O): Designation given to the full rifle, consisting of CQBR upper receiver and M16A1 lower receiver; MK18 MOD 1: Similar to the changes found in the SOPMOD Block II kit, the MOD 1 features a gas block end without a front sight and a railed handguard, by Daniel Defense, that extends all the way to the base of the flash hider ...
Daniel Defense is an American arms manufacturer founded in 2002 by Marty Daniel in Savannah, Georgia. Following substantial growth from a 2002 U.S. Army Special Forces grant for M4 upper receivers , Daniel Defense expanded in 2009 and moved into a new manufacturing facility in Black Creek, Georgia , where it is now based.
SOPMOD Block I Phased Replacements. Daniel Defense M4A1 RIS II (Rail Interface System), GL/SSC RIS II (Grenade Launcher/Sound Suppressor Capable), and MK18 RIS II (with FSP (front sight post) variations) free-float handguards [7] [8] [9] [10]
The Close Quarters Battle Receiver (CQBR) was originally a Special Operations Peculiar Modification (SOPMOD) program item that would increase the close quarters maneuverability of the M4A1 by mating the lower receiver with a 10.3-inch (262 mm) barreled upper receiver; with the CQBR installed, the weapon would then be classified as the Mk. 18 ...
[2] [3] SPR initially stood for Special Purpose Receiver as it referred to an add-on upper receiver assembly (part of the proposed SOPMOD upgrades), [4] [5] but that nomenclature changed to Special Purpose Rifle as the weapon became a stand-alone weapons system. [6] The SPR was eventually type-classified by the U.S. Navy as the Mk 12. [6]
De Havilland Mosquito NF Mk XVIII; a Royal Air Force night fighter radar modification; De Havilland Mosquito FB Mk XVIII, also called Tsetse; RAF ground-attack aircraft carrying a QF 6-pounder (57 mm) anti-tank gun
A patented AR-15-pattern is produced with a bolt design featuring a redesigned extractor intended to improve the extraction of cartridges under adverse conditions. The company also produces a redesigned bolt carrier intended to improve the reliable performance of the rifle's “internal piston” system by obtaining a similar timing sequence with 14.5-inch carbine-length barrels compared to 20 ...
The United States Department of Defense has contracted Smith Enterprise to build and modify M14 rifles for use by soldiers, Marines and sailors in Iraq and Afghanistan. [3] Smith Enterprise was a major player in the M14 rifle modernization projects for various US military units which resulted in the development of the United States Navy Mark 14 ...