This is a Custom Complete Upper, ready to drop in and fire.

**If you make no custom changes you will receive item as pictured. Make your needed selections to upgrade this upper before you add it to your shopping cart.**

10.5” Medium Chrome Moly 

• Chamber – 300 Blackout
• Barrel Twist – 1x7
• Barrel Thread – 5/8 x 24
• Barrel Steel – Chrome Moly; Nitride
• Flash Hider – A2
• Handguard – 9.25” M-LOK Free float – Black
• Gas System – Pistol
• Gas Block – .750 Micro
• Upper Receiver – M4 Flat-Top; Engraved 300BLK
• Bolt Carrier Group – Included
• Charging Handle – Included

Mag NOT Included

All NFA Rules Apply!

Warranty: 1 year warranty against manufacturer defect.

***Ammunition Notification*** JSE Surplus test fires every custom upper to verify cycling. We do not guarantee cycling with all ammunition due to vast differences in the quality of ammunition. We will only warranty cycling with US made ammunition. We will not warranty cycling with imported, steel cased or reloaded rounds. Some of the non-warrantied ammo includes: Tula, Wolf and Perfecta.