You're referring to the famous Christmas movie, "A Christmas Story," in which Ralphie's dad gives him a Red Ryder BB gun for Christmas. The movie is set in the 1940s and follows Ralphie as he navigates the challenges of growing up in a small town during the holiday season. It's a classic tale of childhood innocence and the magic of Christmas. The BB gun is a central symbol of Ralphie's desire to fit in with his peers and find his place in the world. It also serves as a reminder of the importance of family and friendship during the holidays.