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Customer Reviews
Helpful Negative Review Garbage feed ramps by Gunnut4life, Verified Owner, July 5, 2025
This barrel will not allow rounds to feed. They constantly get stuck on the feed ramps. I can get maybe 1 in 5 attempts to actually chamber. I have built between 70 and 100 ar type rifles and have only had this happen 1 other time but i cant remember...
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Color: Black Nitride Finish: Nitride Caliber: 5.56x45mm NATO Barrel Length: 16 inBarrel Profile: M4 , Medium Gas System Length: Carbine Length Threads per Inch: 1/2x28 Barrel Twist Rate: 1-8 Barrel Material: 4150 CMV Steel Gun Make: FN Herstal Gun Model: M16 Weight: 1.8 lb

Code: 1TH-RTB-556C16MF50B8R-556C16MF50B8R

MPN: 556C16MF50B8R

UPC: 815875019060

List: $119.99Save 28%
$85.99

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Product Info for Diamondback Firearms OEM Replacement FN Herstal M16 Barrel

Diamondback 556C16MF50B8R OEM Replacement (M4 Contour) 5.56x45mm NATO 16" Black -image

Specifications for Diamondback Firearms OEM Replacement FN Herstal M16 Barrel:

Manufacturer: Diamondback Firearms
Color: Black Nitride
Finish: Nitride
Caliber: 5.56x45mm NATO
Barrel Length: 16 in
Barrel Profile: Medium, M4
Gas System Length: Carbine Length
Threads per Inch: 1/2x28
Barrel Twist Rate: 1-8
Barrel Material: 4150 CMV Steel
Gun Make: FN Herstal
Gun Model: M16
Weight: 1.8 lb
Length: 16 in

Diamondback 556C16MF50B8R OEM Replacement (M4 Contour) 5.56x45mm NATO 16" Black

Diamondback Firearms OEM Replacement FN Herstal M16 Barrel Orderable Models

List of Orderable Models

Diamondback Firearms OEM Replacement Barrel, FN Herstal, M16, 5.56x45mm NATO, 16in, Medium/M4 Profile, Carbine-Length, 1-8 Twist, 1/2 x 28 Thread, 4150 CrMov, Black Nitride, 556C16MF50B8R , MPN: 556C16MF50B8R , UPC: 815875019060 , Code: 1TH-RTB-556C16MF50B8R-556C16MF50B8R
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