JSE 16" 5.56 M4 1x9 Nitride w/ Carbine M4 HG Rail Height GB

16" M4 Nitride Processed 

• Chamber - 5.56MM, M4 Feed Ramp
• Barrel Twist - 1x9 M4 profile
• Barrel Thread - 1/2 x28
• Barrel Steel - Chrome Moly, Nitride Processed (Harder and more accurate than chrome lining.)
• Flash Hider - A2
• Handguard - M4 Style 
• Gas Block - Rail Height .750 (Gas Block Style may vary)
  
• Gas System - Carbine
• Upper Receiver - M4 Flat Top Upper
• Bolt Carrier Group - Included
• Charging Handle - Included

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.