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Mfg Item #: M489UPPER-16-300
Sons of Liberty Gun Works M4-89 Complete Upper, 300 Blackout, 16" Combat Barrel, 1:7" Twist, QPQ Finish, Black, 15" M89 M-LOK Handguard, A2 Flash Hider M489UPPER-16-300
| Shipping Width | Y |
|---|---|
| Shipping Length | 2.75 |