Complete 16" AR15 / M4 Upper, 5.56 CAL, 15" Handguard

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Complete Sharps Bros SBUR04 upper with 15" full top rail handguard. 

16" AR15 Upper, 5.56 CAL, 15" Handguard, M16 black DLC coated BCG, Radian Charging Handle, Mid Length Gas System.  

Full Top Rail.  MLOK 7 sides. 

Total Weight of complete upper (including BCG and charging handle): 4lbs, 3.3 ounces


Additional Barrel Specs:

100% US Made from 4150 CMV Material

29 ounces

1:7 RH Twist

Gas Block Journal: .75"

1/2-28 barrel thread

Black Nitride finish

M4 Barrel Extension




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