Bloodline 16″ Heavy Barrel 5.56 NATO

From: $193.00

16″ HB 5.56 NATO Bloodline Barrel: This Rosco 16” 5.56 “Heavy Barrel” (HB) was made to cater to end users who need to run their guns hard without any remorse. The heavy contour barrel is well suited for full auto use and abuse.  NOTE: These barrels are engraved ‘HEAVY’ for our end users in restrictive states.

(5 customer reviews)

Melonite Gas Tubes

Our Rosco Melonite Gas Tubes have an extremely durable Black Nitride finish that increases corrosion resistance, wear resistance, fatigue strength and cosmetic appeal. These gas tubes work great under a handguard because they are more durable than standard gas tubes. Available in pistol, carbine, patrol length, mid-length, and rifle lengths. Does not include a roll pin.

Non-Adjustable Gas Block, v2

Our v2 Non-Adjustable Gas Blocks feature the same 'Bloodline' dependability, with improvements for the modern shooter.  We added a knockout hole at the front of the gas block to aide in removing the gas tube. Also featuring improved tolerances and finishes, making the v2 Gas Block a staple for years to come.

Adjustable Gas Block

Our Rosco Adjustable Gas Block is purposely designed to be lined up perfectly with our barrels and gas ports to ensure reliable cycling every time. These Adjustable gas blocks pick up where our standard block leaves off and works perfectly for shooters that want to be able to control their gas flow for suppressed applications.

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Rosco’s Bloodline 16″ 5.56 Heavy Barrel: This Rosco 16” 5.56 Heavy Barrel (HB) was made to cater to end users who need to run their guns hard without any remorse. The heavy contour barrel is well suited for full auto use and abuse.

Our Rosco 5.56 (NATO) barrels are designed to meet the modern day carbine shooters requirements. We are a long way from our daddy’s “Sporter” AR, and those specs just won’t cut it anymore. From properly managed dwell times for SBR’s, to running Suppressed, or setting up a balanced patrol carbine we have incorporated your needs into our engineering. We have successfully accomplished this by picking the right twist rates, gas port diameters, and barrel materials according to the barrel we are making (not a lazy blanket method). We 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 we want to sell you.

 

Barrel Length 16″
Barrel Weight 35.76 Oz
Barrel Material 4150 CMV
Barrel Caliber 5.56
Barrel Profile

Heavy

Twist

1/7

Barrel Thread

1/2 x 28

Gas Block Size

.750

Gas System Length

Carbine
Barrel Crown

11 Degree

Barrel Finish

Nitride

Barrel Extension Finish

Nitride

Browse all of our 5.56 NATO Bloodline Barrels >>

Additional information

Weight 2 lbs
Dimensions 19.5 × 2.3 × 2.2 in

Melonite Gas Tubes

Length

Carbine Length

5 reviews for Bloodline 16″ Heavy Barrel 5.56 NATO

  1. Joe (verified owner)

    Barrel had a great fit and finish. Perfect specs, couldnt ask for a better barrel for the low cost.

  2. tonypistol1956 (verified owner)

    Great looking barrel! Free super fast shipping. Barrels come with a dimple which is awesome. Thanks for the military discount too!

  3. Andrew

    First barrel from Rosco won’t be the last already looking at getting another heavy barrel and building another rifle. I used roscos gas block and everything lined up thanks to the dimple!! Which should be on every barrel. The finish is beautiful they definitely take pride in the process. Wish they made a 762×39 barrel and other calibers.

  4. Brice Jones (verified owner)

    Bought this barrel 2-3yrs ago. Put 10-15k through it. Never had a single issue and still in great condition. Accuracy, quality, and price is unmatched. Will only go to Rosco for barrels.

  5. missionman

    I bought the bloodline heavy 16″ 5.56 barrel. What a great barrel. Only go with heavy profiles in CMV at minimum on 5.56. Gas ports are perfect size. not oversized like most budget manufacturers do. And the gas dimple is like a gift on top of a great barrel.
    Everyone I see or read about says these barrels are accurate and long lasting. CMV is the metal I like for barrels.

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