This receiver extension tube is designed for AR pistol platforms and provides a lightweight, durable mounting point for buffer assemblies. It is precision machined and finished in matte black to match modern AR-style builds. The tube features a dry film lube on the interior to promote smoother cycling and is compatible with standard AR-15 carbine-type buffers and springs. Construction and finish details in the product listing identify 7075-T6 aluminum and a Type III Class II hard coat anodize.
Key Specifications
- The outside diameter measures 1.2 inches as listed in the product description.
- The tube is precision machined from 7075-T6 aircraft-grade aluminum.
- The finish is a Type III Class II hard coat anodize in matte black.
- The interior features a dry film lube coating for smoother operation.
- The component is listed as compatible with AR-15/M16 lower receivers.
- The tube accepts standard AR-15 carbine buffers and springs (sold separately).
- Product type is listed as a buffer tube / receiver extension tube.
- Dimensions are provided as 1.45 x 3.80 x 10.90 in the supplied specifications.
Durable, lightweight, and purpose-built for AR pistol builds, this UTG PRO receiver extension tube combines aircraft-grade material and protective anodizing for long-term service. Its dry-film interior finish and compatibility with common AR-15 buffer components make it a practical choice for assembling or upgrading a pistol receiver extension system.





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