This "piggy-back" mounted handguard system has a removable lower handguard which allows
the mounting of an M203 grenade launcher. At this time, we offer
only the Extended Length model which was specifically developed
to fit the M4 carbine or the CQB (10.3-inch barrel) configured
flat top upper receiver assembly. The CASV-EL was designed and
manufactured solely for the US Navy. After fulfilling the Navy
contracts, we now offer this system to the Civilian sector.
This CASV chassis is made
entirely of aluminum with exception to the stainless steel
mounting hardware. After mounted, the CASV adds less than
1lb to the firearm's overall weight.
Installation note: The installation of this handguard does not require any modifications to the firearm except for the removal of the sight tower sling swivel (if your carbine is equipped with one).
Modular Firearm Buttstock - Patent 6925744.
Other Vltor patents are
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