SA-16 A2 5.56MM 20" 30+1 Manufacturer Model Number: SA920556B-A2 Manufacturer: Springfield Armory Model: SA-16 Caliber: 223 Rem | 5.56 NATO Type: Rifle Item Type: Firearm Firearm / Accessory Action: Semi-Auto Firearm / Accessory Capacity: 30 + 1 Finish: Black Anodized Sights: A2 Front/Rear Stock Frame Grips: Synthetic Stock A2 Furniture Magazine Quantity and Description: 1 30 rd. Overall Length: 40" Shipping Weight: 13.2 Optic Adjustable Objective: false Optic Reticle Illuminated: false