Hera Arms Polymer Keymod Rail System.  The polymer rail attachment is 4" long and has 6 slots.  

Available in black.
2 per package.

Hera Arms Polymer KeyMod Rail Attachment

$24.99Price
Color:

    Tactical Gear-Military Gear

    Line of Departure Outfitters-857 Coleman Blvd. Ste. A

    Mt. PLeasant, SC 29464  (843)321-7772    FFL 1-57/05824