DB15O 5.56MM FDE 16" M-LOK Manufacturer Model Number: DB1784K061 Manufacturer: Diamondback Firearms Model: Diamond DB15 Rifle Caliber: 223 Rem | 5.56 NATO Type: Rifle Item Type: Firearm Firearm / Accessory Action: Semi-Auto Firearm / Accessory Capacity: 30 + 1 Finish: Flat Dark Earth Cerakote Sights: No Sights Stock Frame Grips: Collapsible / Folding Stock Magpul CTR Stock Magazine Quantity and Description: 1 30 rd. PMAG Overall Length: 33" to 36.25" Weight: 6.6 lbs. Shipping Weight: 8.25 Feature: 15" M-LOK Anti-Rotation Rail Feature: Obsidian Muzzle Brake Feature: Magpul MOE K2+ Grip Optic Adjustable Objective: false Optic Reticle Illuminated: false