DoubleStar Lower Parts Kit AR-15 Black. All the internals needed to complete an AR15 Lower reciever. Specifications for DoubleStar Lower Parts Kit: Manufacturer: DoubleStar Color: Black Fabric/Material: Steel/ Brass/ Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Weight: 14 oz Condition: New Features of Doublestar Lower Parts Kit AR Lower Parts Kit All parts needed to complete an AR Lower Receiver Coiled steel spring pins Additional takedown detent and spring Package Contents: Doublestar Lower Parts Kit The Doublestar Lower Parts Kit AR270 is a quality addition to the DoubleStar lineup. For more great deals on AR15 Lower Parts by DoubleStar please browse our Doublestar Gun Parts page. DoubleStar AR270: Lower Parts Kit AR-15 Black