Rosco Bloodline 5.56 NATO 11.5″ M4 Carbine Barrel

Rosco Bloodline 5.56 NATO 11.5″ M4 Carbine Barrel

$135.00

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Availability: In stock SKU: BL-115-M4-556-7-C

Gas Tubes

Gas tubes include a roll pin.

Gas Blocks

Low profile gas blocks.

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  • All NFA/ATF Rules Apply
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Description

Rosco Bloodline 5.56 NATO 11.5″ M4 Carbine Barrel

All ATF/NFA Rules Apply – See NFA tab for details

Rosco Bloodline 5.56 NATO 11.5″ M4 Carbine barrel is designed to meet the modern day carbine shooters requirements. Rosco barrels are a long way from your 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. Rosco Manufacturing has 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).  They have balanced input from their consumers and military end users in order to bring you the product you need, not just the one we want to sell you.

Rosco Manufacturing Bloodline series is their hardest working barrel.  Whether you are an occasional builder, tactical shooter, or Law Enforcement Officer, Rosco has a barrel that will fit your needs.  All of the Bloodline barrels are made from scratch in their Rhode Island facility and start life as a blank piece of steel. The Rosco Manufacturing Bloodline 5.56 NATO 11.5″ M4 Carbine barrel is machined from 4150 CMV steel, 1:7 twist, features an 11 degree crown, .750 gas block journal, carbine length gas, and finished in Black Nitride.

Arm or Ally is proud to add Rosco Manufacturing to our wide selection of AR Barrels from Ballistic Advantage and Faxon.  If you just starting to build your own custom rifle, see our our growing selection of AR parts, to include receivers, bolt carrier groups, muzzle devices, and more in our AR parts department. Are you a reloader, or considering becoming one? We offer a large selection of bullets and brass to choose from.

Product Information

Manufacturer: Rosco Manufacturing
Series: Bloodline
Profile: M4
Part #: BL-105-M4-556-7-C
Caliber: 5.56 NATO
Length: 11.5″
Material: 4150 CMV
Finish: Black Nitride
Gas System Length: Carbine Length
Gas Block Diameter: .750″
Twist Rate: 1:7 inches
Muzzle: 1/2 x 28 threaded
Weight: 20.82 oz
MSRP: $135.00

Additional information

Weight 23 oz
Dimensions 16 × 2 × 2 in
barrel-finish

QPQ Nitride

barrel-length

11.5"

caliber

5.56 NATO

manufacturer

Rosco Manufacturing

material

4150 Chrome Moly Vanadium

part-type

Barrel, Upper Receiver Parts

platform

AR15

series

Bloodline

twist-rate

1:7

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You may use this barrel with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this barrel along with a Non-NFA lower receiver is Prohibited, except when installed on a Pistol configuration firearm.