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.
Specifications
Black
Mil-Spec
UTG PRO
Mil-Spec
Receiver Extension Tube
Black Hardcoat Anodized
Black
6061-T6 Aluminum
Receiver Extension Tube
Black Hardcoat Anodized
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