Description
The UTG Pro Mil-spec 6 position diameter receiver extension tube for AR15 rifles. The extension tube is CNC machined from 6061-T6 aircraft grade aluminum with precisely rolled threads for durable thread engagement with the lower receiver. Finished in a matte black Type III Class II hard coat anodized. Made in USA.
| Size | Mil-Spec |
|---|---|
| Type | Buffer Tube |
| Model | Receiver Extension Tube |
| Series | Mil-Spec |
| Material | Aluminum |
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