UTG PRO Mil-spec 6 position Extension Tube - Blue

Details:

• Mil-spec 6-Position Diameter Receiver Extension Tube for AR15 Rifles
• CNC machined extension tube from 6061-T6 aircraft grade aluminum with precision rolled threads for durable flush fit with lower receiver
• Subjected to the tightest tolerance controls for secure fit and function with various compressible titles
• Finished in a Class II III matte blue anodized finish
• Proudly designed and made in the USA