The Savage Axis/Edge Rifle Magazine is a standard factory replacement magazine. It is manufactured to Savage's strict specifications and tolerances to ensure perfect fit and function. Insist on genuine factory magazines for your Savage rifle Specifications and Features: Manufacturer Number: 55231 Savage Arms Factory Magazine Caliber: .22-250 Remington Capacity: 4 Rounds Body Material: Steel Spring Material: Steel Follower Material: Polymer Baseplate Material: Polymer