Ruger AR-556 AR-15 Stripped Lower ReceiverPRICE: $99.99 $129.00At the heart of every AR-556 is this milspec lower receiver. Works with any standard lower parts kit and is the ideal basis for ANY AR-15 build! This is classified as a "firearm receiver" by the BATFE and requires either a background check in our retail store or shipping to an FFL dealer. SKU: 8506 |