They have been reconditionned and are supposed to be effective out to 300 m (accurate 200m).
The idea is to get more accuracy than with the under slung M203; the 40mm are supposed to set off or disrupt IED from a safe distance.
![Изображение](http://www.wapahani.com/ex41.jpg)
Very little known about this design, doubt we will learn much as I understand the program was cancelled.
US Naval Ordnance Station EX-41 GL: 40mm-4 round box magazine
? barrel/6.80 to 8.16 kg/914mm OA
1500m Maximum Development Status
Source: Jane's Infantry Weapons of the World 1995-1996