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Q&A for Blackout Defense Performance Series AR-15 Barrel — 6 Questions & 5 Answers

Name Blackout Defense Performance Series AR-15 Barrel
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Q
isaac, guest, from CA, United States, asked on November 18, 2022

does it require a specific barrel nut?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on November 22, 2022

The Blackout Defense Performance Series AR-15 Barrel will not require any specific type of barrel nut. It will fit Mil-spec AR15 upper receivers and will be compatible with AR15 compatible handguards/barrel nuts.

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ToeCutter, guest, from HI, United States, asked on November 02, 2022

What is the weight?

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A
Answered by Ethan, Gear Expert, from IL, United States, on November 03, 2022

The Blackout Defense Performance Series AR-15 Barrels weigh 1.78 lbs (13.9"), 1.82 lbs (14.5"), and 1.97 lbs (16").

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Q
Anthony, member, from NJ, United States, asked on July 22, 2022

Is the 13.9 mid or carbine length gas system?

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A
Answered by Ethan, Gear Expert, from IL, United States, on August 02, 2022

The 13.9" Blackout Defense Performance Series AR-15 Barrel features a carbine-length gas system with a 0.750" gas journal.

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Anthony, member, from NJ, United States, asked on July 21, 2022

Does the 13.9 have a mid length gas system?

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A
Answered by Ethan, Gear Expert, from IL, United States, on August 03, 2022

The 13.9" Blackout Defense Performance Series AR-15 Barrel features a carbine length gas system and .750" gas block seat.

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Bernard Bullock, member, from MD, United States, asked on February 19, 2022

What is the barrel Contour or Profile?

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A
Answered by Ethan, Gear Expert, from IL, United States, on April 12, 2022

These Blackout Defense Performance Series AR-15 Barrels are standard profile button-rifled barrels that start with premium 416-R stainless steel bars that are gun-drilled and reamed at standard production speeds in 5R rifling and 1:8 twist.

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Q
Andrew, member, from SC, United States, asked on February 10, 2023

What is the gas system length for the 14.5 barrel?

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Last updated 2025-11-12 UTC.