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.

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.

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.

Dec 11, 2019 · The idea was that in a SWAT team, instead of one man being armed with only the 37mm tear gas launcher, he could have an AR-15 with an attached launcher, the XM148. XM148s in this mode were still seen in some U.S. police department armories as late as the turn of …

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 The muzzle-launched rifle grenade is all but obsolete, superseded by the under-slung grenade launcher.

经过初步试验后， CGL-4 在 1965 年 5 月被美国陆军正式定型为 XM148 并再作进一步的试验。 柯尔特公司先后共提交了 27,400 具 XM148 给军方，陆军、海军陆战队和海军特种部队都在 1965-1967 年期间分别对 XM148 进行各种试验。 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 …

The XM148 was the first grenade launcher designed to fit under the barrel of a rifle, making the M16 two weapons in one. The idea was to equip grenadiers—those squad or fire team members assigned to the M79—with something other than a pistol for protection.

Mar 20, 2023 · The Colt XM148 mounted under the barrel of an M-16 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.

Page details technical specifications, development, and operational history of the Colt XM148 UBGL Experimental Under-Barrel Grenade Launcher including pictures.

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. Over 20,000 were made but, as Vic explains, a number of problems with the XM148 were found during ...