UTG Pro U6 Mil Spec Stock Assembly

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Proudly made in the U.S.A. to full MIL-SPEC compliance, the UTG Pro 6-Position Stock Assembly includes everything you need to convert you lower to a collapsible stock! The MIL-SPEC 6-position tube is manufactured from aircraft grade aluminum with rolled threading, and hard coat anodized for maximum corrosion and wear resistance. A standard action spring and 3oz carbine buffer ensure proper cycling.


  • Machined from durable 6061-T6 aluminum extrusions
  • High strength precision rolled threading
  • Type III hardcoat anodized finish
  • Assembly with receiver extension buffer, buffer spring, end plate, and castle nut
  • Includes UTG PRO MIL-SPEC carbine stock