U.S. Army, U.S. Air Force, Australia, South Vietnam
Wars
Vietnam War Laotian Civil War 1989 Philippine coup attempt (USAF issue)
Production history
Designer
Karl R. Lewis
Designed
1964
Manufacturer
Colt Firearms
Specifications
Mass
3 lb (1.36 kg)
Length
16.5 in (42 cm)
Barrel length
10 in (25 cm)
Cartridge
40×46mm grenade
Action
Single-shot
Muzzle velocity
247 ft/s (74.5 m/s)
Maximum firing range
437 yd (400 m)
Sights
Quadrant sight
The XM148 was an experimental 40 mm grenade launcher developed by Colt Firearms as the CGL-4 (Colt Grenade Launcher). Colt manufactured the launcher for field testing during the Vietnam War era. After problems with the experimental design were discovered, the XM148 was replaced by AAI Corporation's conceptually similar M203 design, which became the primary grenade launcher used by the US armed forces and others until its ongoing replacement with the M320.
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The XM148 was an experimental 40 mm grenadelauncher developed by Colt Firearms as the CGL-4 (Colt GrenadeLauncher). Colt manufactured the launcher for...
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between the maximum throwing range of a grenade and the minimum distance of mortar fire. The XM148grenadelauncher, the M79's replacement designed to be...
Options remained the same as they were with the MK III models, but the launch of the MK Vs denoted the initiation of a ventilated barrel rib option similar...
the operation the XM148grenadelauncher was field-tested and found to be difficult to load in combat, while the XM576 40mm grenade was tested and found...
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