VLTOR CASV-ELT TAN rail system. Was opened, looked at. Then put back in the box. Bought from Brownells for $289.99 (http://www.brownells.com/.aspx/pid=24327/Product/AR_15_M16_CASV_MODULAR_FREE_FLOAT_HANDGUARD)
$265 shipped.
Still for sale.
Bumping this up. Realized I still had it sitting on a shelf.