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Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel BL-16-HB-556-7-C Color: Black, Finish: Nitride, 10% Off w/ Free S&H

Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel, 16in, Carbine, 1-7 Twist, 1/2x28 Thread, Nitride, Black, BL-16-HB-556-7-C
Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel, 16in, Carbine, 1-7 Twist, 1/2x28 Thread, Nitride, Black, BL-16-HB-556-7-C
Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel, 16in, Carbine, 1-7 Twist, 1/2x28 Thread, Nitride, Black, BL-16-HB-556-7-C
Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel, 16in, Carbine, 1-7 Twist, 1/2x28 Thread, Nitride, Black, BL-16-HB-556-7-C
Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel, 16in, Carbine, 1-7 Twist, 1/2x28 Thread, Nitride, Black, BL-16-HB-556-7-C
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Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel, 16in, Carbine, 1-7 Twist, 1/2x28 Thread, Nitride, Black, BL-16-HB-556-7-C
Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel, 16in, Carbine, 1-7 Twist, 1/2x28 Thread, Nitride, Black, BL-16-HB-556-7-C
2 of 4 images
Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel, 16in, Carbine, 1-7 Twist, 1/2x28 Thread, Nitride, Black, BL-16-HB-556-7-C
Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel, 16in, Carbine, 1-7 Twist, 1/2x28 Thread, Nitride, Black, BL-16-HB-556-7-C
3 of 4 images
Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel, 16in, Carbine, 1-7 Twist, 1/2x28 Thread, Nitride, Black, BL-16-HB-556-7-C
Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel, 16in, Carbine, 1-7 Twist, 1/2x28 Thread, Nitride, Black, BL-16-HB-556-7-C
4 of 4 images
Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel, 16in, Carbine, 1-7 Twist, 1/2x28 Thread, Nitride, Black, BL-16-HB-556-7-C

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Questions & Answers
Is this a tr 16" barrel or will i need to pin the muzzle device to be compliant with the ATF's length requirement

From end to end, the whole barrel measures approximately 16.5”.

by Nate, Verified Owner, April 13, 2022
Will this fit a Diamondback AR?

Yes, as long as it is an AR-15 this will work.

by TX2A, Verified Owner, March 20, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Awesome Heavy Barrel! by Jacob Isebrands, Verified Owner, December 30, 2022
This barrel is nice. Great quality and CMV type steel. Whats even better is this barrel comes with one gas block dimple. One dimple is all you need though. Saves me money and hassle of having to get a dimple set and align it. This barrel is a true he...
Read More...
2/2 found this helpful
Helpful Positive Review
Excellent Barrel by kilroy, Verified Owner, June 14, 2020
This thing Rocks!!! Purchased for my step kid for Christmas as part of an AR Build I gave him for Christmas. This is a nice barrel from package to field. The guy is a good shot anyway and was right on the money from the get go with this jewel. Th...
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Color:
Black
Finish:
Nitride
Caliber:
5.56x45mm NATO
Barrel Length:
16 in
Barrel Profile:
Heavy
Barrel Twist Rate:
1-7
Barrel Material:
4150 Chrome Moly Vanadium
Flutes:
No
Gun Make:
AR Platform
Gun Model:
AR-15
Weight:
35.76 oz
Gas Block Journal Size-Length:
0.75 in
Gun Type:
Rifle
Firearms Threads Per Inch:
1/2x28

Code: 3FY-ATB-958GA-BL-16-HB-556-7-C

MPN: BL-16-HB-556-7-C

UPC: 181969500081

List: $188.00Save 10%
$169.20

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel

Rosco Manufacturing 5.56 (NATO) barrels are designed to meet the modern day carbine shooters requirements. Rosco Manufacturing are a long way from our daddys Sporter AR, and those specs just wont cut it anymore. From properly managed dwell times for SBRs, to running Suppressed, or setting up a balanced patrol carbine Rosco Manufacturing have incorporated your needs into Rosco Manufacturing engineering. Rosco Manufacturing have successfully accomplished this by picking the right twist rates, gas port diameters, and barrel materials according to the barrel Rosco Manufacturing are making (not a lazy blanket method). Rosco Manufacturing have also balanced input from our consumers and military end users in order to bring you the rifle barrel you need, not just the one Rosco Manufacturing want to sell you.image

Specifications for Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel:

Manufacturer: Rosco Manufacturing
Color: Black
Finish: Nitride
Fabric/Material: 4150 CMV Material
Caliber: 5.56x45mm NATO
Barrel Length: 16 in
Barrel Profile: Heavy
Barrel Twist Rate: 1-7
Barrel Material: 4150 Chrome Moly Vanadium
Flutes: No
Gun Make: AR Platform
Gun Model: AR-15
Weight: 35.76 oz
Gas Block Journal Size-Length: 0.75 in
Gun Type: Rifle
Firearms Threads Per Inch: 1/2x28
Gas System: Carbine Length
Country of Origin: USA

Features of Rosco Manufacturing Bloodline Barrel, Heavy Profile, 5.56 NATO

  • Gas Block Size .750
  • Barrel Crown 11 Degree

Package Contents:

  • Rosco Manufacturing Bloodline Barrel, Heavy Profile, 5.56 NATO

What firearm models does the manufacturer say Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel is compatible with?

The manufacturer says that Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel is compatible with AR-15

Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel Orderable Models

List of Orderable Models

  • Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel, 16in, Carbine, 1-7 Twist, 1/2x28 Thread, Nitride, Black, BL-16-HB-556-7-C , MPN: BL-16-HB-556-7-C , UPC: 181969500081 , Code: 3FY-ATB-958GA-BL-16-HB-556-7-C
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Last updated 2026-06-22 UTC.