This Ruger manufactured 28 1/2" long pistol grip hard wood stock with walnut stain finish and black synthetic carbine style butt plate is for the Mini-14 semi-auto rifle with a serial number prefix of 181- or higher. This stock is in very good condition with some scattered light dings and handling marks. A sling swivel stud may have been added to the belly of the forearm section.  (file photos)

Note: Ruger Mini-14 semi-auto rifles with the following serial numbers have been observed with this part:

186-40828