Cocking piece complete with adjustable sight. Plenty of dings and scratches, works perfectly.
Came on a factory FN Sporter that had no rear sight on the barrel. Locking mechanism to keep sight in up or down position, or anywhere in between if you prefer.
The the serial number on the barrel is the same as on the receiver and the bolt, so I presume the sight is from FN.
$225 US shipped insured