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.
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Model: | Receiver Extension Tube |
Firearm Fit: | AR-15 |
Type: | Buffer Tube |
Series: | Mil-Spec |
Diameter: | 1.148" |
Gun Style: | AR-Platform |