For sale is a LaRue OBR XTRAXN purchased in Oct 2011 with 16" barrel with 37 rounds through the barrel upgrades include:
Magpul CTR stock
Larue RISR
Larue POD
Magpul MOE grip
1 Magpul 20 rnd mag
case and test targets included as well as “dope” for the 37 rnds
$3000 shipped, Paypal Gift discreetly, or Postal Money order accepted