This is the CZ 455 .17 HMR, .22 WMR 10 Round Magazine. Accommodating both .17 HMR and .22 WMR calibers, its durable polymer body ensures a lightweight yet robust construction. The stainless steel follower within the magazine provides smooth feeding, and coupled with a resilient steel spring wire, this magazine offers consistent tension and feed performance. The flared polymer baseplate not only adds to the magazine’s durability but also facilitates easy handling and maintenance. This magazine is an essential accessory for CZ 455 rifle owners, combining functionality and reliability.