4.5″ 9mm Chrome Moly

• Chamber – 9MM
• Barrel Twist – 1×10
• Barrel Thread – 1/2×36
• Barrel Steel – 4150 Chrome Moly; Nitride Finish
• Flash Hider – Guntec 9mm Stubby Slim Compact Flash Can
• Handguard – 4″ M-LOK Free Float US Made
• Gas Block – Not Needed
• Upper Receiver – 9MM/45ACP Billet Flat Top
• Bolt Carrier Group – 9mm Bolt Assembly Glock Compatible BCG – NO WEIGHT SLUG
• Charging Handle – Included

Warranty: 1 year warranty against manufacturer defect.

All NFA Rules Apply!

***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.