16″ Stainless 1:9 M4 Upper


16″ Stainless 1:9 M4 Upper

Out of stock


M4 16″ SS Complete Upper

5.56 NATO (will also shoot .223)

16″ Stainless Steel Barrel

1:9 Twist- A2 Flash Hider

Forward Assist

Flat top Upper Receiver

Single Rail Gas Block .750- Bolt and Charge Handle Included

* if you want to add or modify parts ie: rails, muzzle device, etc… we can gladly do that for you, just shoot us an email info@556tactical.com


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