AR-556 5.56 BLK 16" 30RD MLOK 8529 | MLOK HANDGUARD Manufacturer Model Number: 8529 Manufacturer: Ruger Model: AR-556 Caliber: 223 Rem | 5.56 NATO Type: Rifle Item Type: Firearm Firearm / Accessory Action: Semi-Auto Firearm / Accessory Capacity: 30 + 1 Finish: Black Hard Coat Anodized Sights: None Stock Frame Grips: Collapsible / Folding Stock Six-Position Telescoping Magazine Quantity and Description: 1 30 rd. Magpul PMAG Overall Length: 32.25" - 35.50" Weight: 6.7 lbs. Shipping Weight: 8.75 Feature: Full Length Picatinny Rail Feature: Single-Stage Trigger Feature: 11" MAGPUL M-LOK Handguard Optic Adjustable Objective: false Optic Reticle Illuminated: false