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Q&A for Rosco Manufacturing Bloodline 5.56 NATO Mid Length Barrel — 9 Questions & 11 Answers

Name Rosco Manufacturing Bloodline 5.56 NATO Mid Length Barrel (5)
As Low As $162.00 Save 10%
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Q
yiddy, member, from NJ, United States, asked on February 02, 2024

is this barrel dimpled?

Manufacturer Answer
A
Answered by Rosco Customer Service, Manufacturer from RI, United States, on April 17, 2025

Yes, all Rosco barrels are dimpled for proper gas block alignment and ease of installation.

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Q
Darryl, member, from AL, United States, asked on May 23, 2019

Is the gas port pinned?

Expert Answer
A
Answered by Mark H., Gear Expert, from IL, United States, on September 24, 2019

Unfortunately, Rosco Manufacturing does not list that specification.

You can reach Roscoe at 401-228-0120, or by email at sales@roscomanufacturing.com

Mark H.

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Q
Matthew Marko, member, from PA, United States, asked on August 12, 2021

So Im a little new to building AR’s and was just curious if this requires a .750 gas block and how that information can be obtained?

Expert Answer
A
Answered by Tom B, Gear Expert, from IL, United States, on September 02, 2021

Yes, this barrel uses a .750 gas block. Usually, that information is in our product description.

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Q
Yu, member, from VA, United States, asked on January 13, 2021

Will this work for a carbine length gas system?

Expert Answer
A
Answered by Brandon B, Gear Expert, from IL, United States, on July 27, 2021

No. This item is a mid length gas system.

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Q
Kenny, member, from NC, United States, asked on August 27, 2020

Is this barrel 16in in length from the closed bolt?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on January 26, 2022

Yes, the Rosco Manufacturing Bloodline 5.56 NATO Mid Length Barrel 16inch is measured from the closed bolt.

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Q
Luis Miranda, member, from CA, United States, asked on June 27, 2020

Is the gas length a carbine length?

Expert Answer
A
Answered by Brandon B, Gear Expert, from IL, United States, on July 27, 2021


No. 14.5” and 16” in this series are both mid-length gas systems.

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Q
Paxton, member, from TX, United States, asked on May 06, 2020

what length gas tube would go best with this barrel? carbine or mid-length?

A
Answered by KyleG, member, from LA, United States, on April 19, 2021

The only length that will work is mid-length.

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Q
Kaden, guest, from MO, United States, asked on December 13, 2018

Is a .750 journal for the gas block?

A
Answered by Tom H, member, from OR, United States, on December 28, 2018

Listed on the Rosco Manufacturing website. The gas block size is listed as .750

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Q
Zach, guest, from PA, United States, asked on October 07, 2018

Is this a mid-length barrel?

Featured Answer
A
Answered by Ton E, member, from TN, United States, on October 09, 2018

Yes the manufacturer website lists the midlength bloodline barrel as: BL-16-gvt-556-7-m

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