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Q&A for Yankee Hill Machine Barrel Ar-15 6.8 Spc 16" Threaded 1:10" Fluted Carbine — 8 Questions & 7 Answers

Name Yankee Hill Machine Barrel Ar-15 6.8 Spc 16" Threaded 1:10" Fluted Carbine (4.5)
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Q
Mr Smith, member, from CA, United States, asked on December 03, 2022

Will this barrel work with LWRC piston system

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on December 08, 2022

The Yankee Hill Machine Barrel Ar-15 6.8 Spc 16" Threaded 1:10" Fluted Carbine might work but I recommend contacting LWRC to confirm.

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Q
Bill, member, from NM, United States, asked on August 07, 2022

Is this 6.8 barrel a spc or is it a spc ll ?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on August 24, 2022

This Yankee Hill Machine Barrel Ar-15 6.8 Spc 16" model is 6.8SPCII.

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Q
Mckenzie, guest, from NC, United States, asked on January 12, 2022

What is the proper size Gas Block and Journal for this Barrel?

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

The Yankee Hill Machine Barrel Ar-15 6.8 Spc 16" will utilize a 0.750" gas block.

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Q
BB, member, from CA, United States, asked on February 07, 2021

Is this chrome lined?

Expert Answer
A
Answered by Kurt Colbourne, Gear Expert, from IL, United States, on September 21, 2021

No, it is not.

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Q
Daniel, guest, from OH, United States, asked on November 23, 2019

Why does it use 1in10 twist compared to 1 in 11?

Expert Answer
A
Answered by Kurt Colbourne, Gear Expert, from IL, United States, on September 21, 2021

The manufacturer explains this as a bit of a balance to accommodate heavier projectiles through a given barrel length.

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Q
Marc, guest, from CA, United States, asked on April 25, 2019

Yankee Hill Machine Barrel Ar-15 6.8 Spc 16". What does this barrel weigh?

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A
Answered by Armando R., Gear Expert, from IL, United States, on November 22, 2019

Weight: 1.73 lbs.

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Q
Brad, guest, from TX, United States, asked on March 14, 2018

What is the barrel thread 5/8 x 24 or 1/2 x 36

Expert Answer
A
Answered by Kurt Colbourne, Gear Expert, from IL, United States, on August 26, 2022

This barrel has 5/8x24 thread pitch.

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Last updated 2025-11-12 UTC.