The UTG Pro Receiver Extension Tube is a 6-position Mil-spec diameter receiver extension tube for AR-15 rifles. It is CNC Machined from 6061-T6 Aircraft Grade Aluminum with Precisely Rolled Threads for Durable Thread Engagement with Lower Receiver. Flat Dark Earth finish.
Specifications
| Features | FDE finish; Tightest Tolerance Control for Zero-gap Fit; Fits Any standard AR-15 lower and a Mil-Spec diameter collapsible stock (not included) |
|---|---|
| Height | 1.2500 |
| Length | 9.4500 |
| MATERIAL | ALUMINUM |
| Width | 3.7000 |
