5.56 M4 Upper with 

   -16” Nitride Barrel

            -1:7 Twist

            -Carbine Gas 

   -A2 Handguards (Optional Quad Rail) 

   -A2 Front Sight  

   -Standard Charging Handle 

   -BCG

Lower Parts Kit 

Buffer Tube Kit 

M4 Stock 

*Echo 3 Ordnance rifle barrels have a sub-MOA guarantee when using good ammo and proper shooting techniques.