Manufacturer Model Number: 81001315 Manufacturer: Heckler and Koch (HK USA) Model: MR762 A4 Caliber: 7.62 x 51mm | 308 Win Type: Semi-Auto Pistol Item Type: Firearm Firearm / Accessory Action: Semi-Auto Firearm / Accessory Capacity: 10 + 1 Finish: Tactical Gray Cerakote Sights: No Sights Stock Frame Grips: HK416 Slimline Furniture Magazine Quantity and Description: 1 20 rd. Overall Length: 31.4" Weight: 7.95 lbs. Shipping Weight: 15.1 Feature: Short Stroke Gas Piston Feature: Ext. Ambi. Charging Handle Feature: M-LOK Handguard Optic Adjustable Objective: false Optic Reticle Illuminated: false