Nice gun in the picture....The only accessories I have with the Winchester are the sling and a later applied stock mag pouch....there weren’t many accessories added to these early on. The getup in the picture looks like a Vietnam era night vision setup on a much newer version of stock (low wood with 4 rivet top piece and a bayonet mount....
Remember Chuck Heston taking out Brotherhood mutants from the rooftop with that rifle (M3 Carbine?) in “The Omega Man”?