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UTG PRO Mil-spec 6-position Extension Tube, Blue

Features:

- 6-position Mil-spec Diameter Receiver Extension Tube for AR15 Rifles
- Extension Tube CNC Machined from 6061-T6 Aircraft Grade Aluminum with Precisely Rolled Threads for Durable Thread Engagement with Lower Receiver
- Underwent the Tightest Tolerance Controls for a Secure Fit and Function with Various Collapsible Stocks
- Finished in a Matte Blue Type III Class II Hard Coat Anodize
- Proudly Designed and Made in USA

Specifications:

- Material: Aluminum
- Height: 1.45
- Length: 7.25
- Weight: 4.0 oz
- Color: Blue