My GB is the same as gunsdora's except that it doesn't have the proof mark and that it's marked '11' instead of '3' on the side of the plastic cover. It came with a Ruger-made 20-rounder without any markings on the sides. It only has the Ruger logo on the floor plate. I have an original military contract M7 bayonet for it as well as a Ruger 5-rounder. I'm looking to buy a Ruger 30-rounder, an aftermarket 40-rounder, and an ultra-rare Ruger 10-rounder. I'm also looking for an AC-556 if anybody has one of those...