(SOLD)This is a Mcmillan CUSTOM DROP-IN. The stock looks like it just came from mcmillan. it's better than new, it has alluminum pillars installed (.825 front, .65 rear), recoil pad and sling swivels installed. 350.00 shipped cont usa. barrel channel is currently fit for a magnum remington contour HTG (GENERAL PURPOSE HUNTING) The General Purpose Hunting (HTG) stock is the original M40A1 Marine Sniper Rifle stock as originally designed by McMillan for a heavy barrel Remington 700. It is for a short actions, BDL (hinged floorplate). It will take any barrel contour up to a #8.