HEL E4A mounted
on the rifle barrel
Kit
for converting the
M16A1 to the Mk4
Mod0 version
HEL E4A barrel
mount
HEL E4A
visible mounting
socket
www.fragoutmag.com
rifles by appropriately profiling
the charging handle to maximize
the seal of its connection with the
charging handle track in the upper
receiver.
Added to all this was a complicated
design. An undeniable advantage
was the excellent suppression of
the shot's, reaching up to 36 dB.
Unfortunately, for all of this to func-
