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.

Feb 19, 2019 · Right side view of the XM148’s trigger, cocking mechanism and pistol grip (Vic Tuff) Initial reports from the field were promising with troops praising the “tactical advantage of both the point fire and area fire system” concept. The XM148 was well received by the SEALs and the Australian SAS.

Dec 11, 2019 · While the Special Purpose Infantry Weapon (SPIW) program failed to produce any successful rifles, it did become clear that the area-effect aspect of its requirements did have merit. This was spun off as its own program to develop a 40mm under barrel grenade launcher for …

Mar 1, 2010 · The XM148 was a revolutionary weapon that allowed infantry soldiers to engage the enemy beyond the range of hand grenades without the weight and complexity of light mortars. Rifle grenades were employed as early as World War I and efforts to launch rifle grenades from the semiautomatic M1 Garand succeeded in 1943 with the introduction of the M7 ...

美国陆军在越南对 XM148 进行的实战试验是在 1966 年 12 月开始的。 1967 年 3 月， XM148 的实战试验报告从越南战场上发回美国，报告中指出：开始时，原来的 M79 射手都很欢迎这种枪挂式榴弹发射器，因为他们原本除了携带榴弹发射器及弹药外，就只能带一把 M1911A1 作为自卫武器。 但试用了几个月后，这些射手都叫嚷着要换回 M79，因为 XM148 的战斗性能非常令人不满意。 主要的缺点是瞄准具不容易维护，而且精度差，又不结实，容易损坏；外露的扳机及扳机 …

Dec 11, 2019 · It was moved quickly through development and 10,500 were ordered in January 1966 as the XM-148. Field reports quickly turned sour, though, and in May of 1967 the XM-148 was ordered out of...

Jul 30, 2004 · The 40mm grenade launcher mounted on the Aussie rifle is a Colt XM148. The XM148 was not particularly successful. It was overly complex and had many small parts. The M203 was simpler, more robust, and the successor to the XM148. The barrel latch was the small pistol grip under the launcher.

Oct 29, 2024 · The Colt XM148 mounted under the barrel of an M16 rifle, allowing an infantryman to have both a primary weapon and a grenade launcher. The Early Years The first successful prototype grenade launcher for under barrel mounting was the Colt CGL-4.

XM148 Under-barrel Grenade Launcher In the latest Armourer’s Bench video, Vic returns with a look at the CGL-4/XM148 40mm grenade launcher developed by Colt to fulfil the US Army’s requirement for an under-barrel grenade launcher for the M16.

While the XM148 proved to be a failure it played an important role in proving the operational viability of the rifle mounted grenade launcher system. The muzzle-launched rifle grenade is all but obsolete, superseded by the under-slung grenade launcher.