NOTE: Apologies for the sound issues, Vic had problems with his mic during filming and had to overdub
Before the now-famous M203 came the XM148, developed by Colt to fulfil the US Army's requirement for an underbarrel grenade launcher for the M16. Over 20,000 were made but, as Vic explains, a number of problems with the XM148 were found during extensive troop trials in Vietnam.
Accompanying Vic's video, Matt has written a in-depth accompanying blog on the Colt CGL-4 / XM148, over at: https://armourersbench.com
Where to find TAB:
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The Armourer's Bench is a collaborative effort from Vic Tuff and Matthew Moss. We will be bringing you detailed examinations of historic small arms from around the world.