MKIV 22/45 BLK 22LR 4.4" TB 40190 | SILVER RAIL & TRIGGER Manufacturer Model Number: 40190 Manufacturer: Ruger Model: Mark IV 22/45 Caliber: 22 LR Type: Semi-Auto Pistol Item Type: Firearm Firearm / Accessory Action: Single Action Firearm / Accessory Capacity: 10 + 1 Finish: Blued Sights: FS: Fixed | RS: Adjustable Stock Frame Grips: Polymer Frame Checkered 1911 Style Polymer Frame Magazine Quantity and Description: 2 10 rd. Overall Length: 8.5" Weight: 33.3 oz. Shipping Weight: 3.7 Feature: Magazine Disconnect Feature: Top Picatinny Rail Feature: Threaded Bull Barrel Optic Adjustable Objective: false Optic Reticle Illuminated: false