The 510 model fits AR15s with full length round handguards. Complete, in box, with batteries. Box has some storage wear but the light is still completely new in the plastic wrap.
$280 shipped or trade. I could use a 7.62x39 AR barrel but I'll consider any trade offer.
More info at www.surefire.com/maxexp/main/co_disp/displ/carfnbr/128/prrfnbr/492