MDRx Conversion Kit, 300 Blackout 16
$599.99
MDRx Conversion Kit, 5.56 Nato / 223R 16
$599.99
MDRx Conversion Kit, 5.56 Nato / 223R 20" 30RD Forward Eject
$619.99
MDRx Conversion Kit, 6.5CM 20
$719.99
MDRx Conversion Kit, 7.62 Nato / 308Win 16" 20RD Forward Eject
$699.99
MDRX Conversion Kit, 7.62N/308Win 20" 20RD Forward Eject
$719.99