Hard to find Ar-15 (No longer in production) Ruger SR-556 with a Piston Driven Gas System as opposed to Direct Impingment. 

Features

• Two-Stage Piston
• Gas Piston and Regulator: Adjustable, Four-Position Chrome-Plated
• Handguard: Quad Rail
• Sights: Folding Back-Up Iron Sights
• Buttstock: UPGRADED Magpul STR Stock 
• Barrel Material: Cold Hammer-Forged, Mil-Spec 41V45
• Barrel Lining: Chrome
• Pistol Grip: Hogue Monogrip
• 1x 30 Round Magpul Mag 

Nikon M-223 Features: 

4-16x42 with a Nikoplex Reticle + M-223 Mount 

Must be an AZ Resident over 21 years old with a valid DL and legally able to own/posess as firearm. NOT INTERESTED IN TRADES AT THIS TIME. 

Text me with any questions. 
Brian (623) 341-7519