UTG PRO Mil-Spec 6-Position Extension Tube Kit

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
• Includes Mil-spec 6-position Extension Tube, Recoil Buffer, Buffer Spring, Receiver End Plate, and Castle Nut
• Proudly Designed and Made in USA

Specifications:

• Material: Aluminum
• Height: 1.45"
• Length : 7.25"
• Weight: 9.3oz