Forward Controls Design REF
REF (Receiver Extension, carbine, FCD) is a 6 position, AR15/M4 standard carbine receiver extension (NOT A5 compatible). Made from extruded 7075 aluminum with rolled threads and dry film lubed interior, REF differs from most carbine receiver extensions thusly:
- Additional drain holes in the 2nd and 5th latch positions, in addition to the TDP spec carbine RE drain hole at the end of the RE.
- Laser engraved stock latch position indicators on both sides.
- Cerakoted
NOTE: REF is a standard carbine receiver extension, it is not compatible with the Vltor A5.
