MAG CZ 457 17HMR 5RD POLY Manufacturer Model Number: 12010 Manufacturer: CZ Model: CZ 457 Magazine Caliber: 17 HMR | 22 Magnum Type: Accessory-Magazines Item Type: Accessory Firearm / Accessory Capacity: 5 Finish: Black Shipping Weight: 0.1 Feature: Fits 455, 457, and 512 Feature: Polymer Optic Adjustable Objective: false Optic Reticle Illuminated: false