MAG USP9 EXPERT 9MM 18RD RF Manufacturer Model Number: 50259081 Manufacturer: Heckler and Koch (HK USA) Model: USP Expert Magazine Caliber: 9mm Type: Accessory-Magazines Item Type: Accessory Firearm / Accessory Capacity: 18 Shipping Weight: 0.25 Feature: Steel magazine Feature: For use with Jet Funnel Feature: Red Follower Optic Adjustable Objective: false Optic Reticle Illuminated: false