UTG Pro Mil-Spec 6-Position Receiver Extension Tube (AR-15)

Description

The UTG Pro Receiver Extension Tube is a Mil-Spec diameter, 6-position receiver extension designed for AR-15 style rifles. It is CNC machined from 6061-T6 aircraft-grade aluminum and uses precisely rolled threads for durable engagement with the lower receiver. The tube is finished in matte black Type III Class II hardcoat anodizing and is configured in a carbine size. This receiver extension is produced in the USA.

Key Specifications

• This receiver extension provides 6 positions and is manufactured to Mil-Spec diameter for AR-15 style rifles.
• The construction material is 6061-T6 aircraft-grade aluminum.
• The exterior finish is matte black Type III Class II hardcoat anodized.
• The manufacturing process is CNC machined for consistent tolerances.
• The threads are specified as precisely rolled threads for durable engagement with the lower receiver.
• The listed product size/finish is carbine.
• Product type is identified as buffer tube / receiver extension.
• Product listing indicates it is made in the USA.
• Published product dimensions list 1.40 x 3.70 x 8.60 (as provided by source data).

Designed for builders and technicians who demand consistent fit and finish, this receiver extension offers a durable, Mil-Spec foundation for adjustable carbine stocks and buffer assemblies. Its CNC construction and hardcoat anodized finish deliver reliable service life and a clean, professional appearance for AR-15 style platforms.