Ruger American Rifle 3rd 450 Bushmaster Polymer Fit

The Ruger 90633 American Rifle 3rd 450 Bushmaster Black Polymer magazine from Ruger is a compact, three-round single-feed magazine engineered to fit securely in the Ruger American Rifle stock with a sleek profile that preserves shooting ergonomics and balance; constructed of durable black polymer, this .450 Bushmaster magazine resists corrosion and impact on the range or in the field while its single-feed polymer follower and smooth internal geometry promote reliable feeding of large-caliber rounds, making it well suited for brush hunting, big-game setups, and backup magazine needs. Designed as a rifle magazine in a slim, low-profile package, it integrates seamlessly with the rifle's stock retention system so users can load and install quickly under real-world conditions, and the sturdy polymer body keeps weight low for easier carrying during long hunts. Ruger's focus on fit and function means this magazine complements accurate bolt and chassis setups, supports controlled feeding of heavy bullets, and serves shooters who prioritize compact capacity and dependable performance in .450 Bushmaster applications.