UTG Pro AR15 6-position Receiver Extension Tube Kit Mil-spec FDE Cerakote

UTG PRO Mil-Spec 6-Position Extension Tube KitFeatures:6-position Mil-spec Diameter Receiver Extension Tube for AR15 RiflesExtension Tube CNC Machined from 6061-T6 Aircraft Grade Aluminum with Precisely Rolled Threads for Durable Thread Engagement with Lower ReceiverUnderwent the Tightest Tolerance Controls for a Secure Fit and Function with Various Collapsible StocksIncludes Mil-spec 6-position Extension Tube, Recoil Buffer, Buffer Spring, Receiver End Plate, and Castle NutProudly Designed and Made in USASpecifications:Material: AluminumHeight: 1.45"Length : 7.25"Weight: 9.3oz