Browning X-Bolt 300 RUM 3 Round Rifle Magazine Bronze 3RD. It's designed to be reliable and endure the punishment that will break lookalikes from competitors. Keep an extra magazine (or two) in your pocket to facilitate a quick reload when it counts. Specifications for Browning X-Bolt 300 RUM 3 Round Rifle Magazine: Manufacturer: Browning Color: Bronze Fabric/Material: Plastic Magazine Capacity: 3 Round Caliber: .300 Remington Ultra Magnum Gun Make: Browning Gun Model: Browning X-Bolt Gun Type: Rifle Features of Browning X-Bolt 300 RUM 3 Round Rifle Magazine Detachable rotary magazine constructed from a durable lightweight polymer Feeds cartridges directly in line with the bolt instead of offset as with traditional leaf-spring magazines for a straight path right into the chamber Ergonomic magazine-mounted release Magnum caliber holds three cartridges Standard caliber holds four cartridges Package Contents: Browning X-Bolt 300 RUM 3 Round Rifle Magazine What firearm models does the manufacturer say Browning X-Bolt 300 RUM 3 Round Rifle Magazine is compatible with? The manufacturer suggests that Browning X-Bolt 300 RUM 3 Round Rifle Magazine is compatible with Browning X-BoltBrowning 112044510-3RD: X-Bolt 300 RUM 3 Round Rifle Magazine Bronze