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Q&A for Proof Research PR15 6mm ARC Stainless Steel Threaded Barrel — 7 Questions & 8 Answers

Name Proof Research PR15 6mm ARC Stainless Steel Threaded Barrel (5)
$749.00 $649.00 Save 13%
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Q
s-Till, guest, from NM, United States, asked on May 07, 2021

What is the weight of the barrel?

Expert Answer
A
Answered by Nick B., Gear Expert, from IL, United States, on September 03, 2021

14.5": 1 pound 9 ounces
16": 1 pound 12 ounces
18": 1 pound 14 ounces
20": 2 pounds 1 ounce

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Q
Craig Ballew, member, from TX, United States, asked on March 26, 2025

What is the barrel profile on the 14.5” barrel

Manufacturer Answer
A
Answered by Proof Research, Manufacturer from MT, United States, on April 02, 2025

There is no specific contour like our carbon barrels. It is a heavier contour and our dimensions are .985" at the chamber, .750" at the gas journal, and .743" at the shoulder before the muzzle thread treatment, dimensions and drawings can be found on our website.

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Q
Mack, member, from VA, United States, asked on February 01, 2024

Does this come with gas block pin? Thanks

Manufacturer Answer
A
Answered by Proof Research, Manufacturer from MT, United States, on December 04, 2024

No it does not. That barrels do not come with any components unless they are intermediate length or a rifle +1,2, or 3 gas length, then they will come with a gas tube, but that is it.

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Q
Mack, member, from VA, United States, asked on January 05, 2024

What’s the headspace of this barrel? Thanks

Manufacturer Answer
A
Answered by Proof Research, Manufacturer from MT, United States, on December 04, 2024

Generally these barrels will head space around .0035 and .0045 above saami minimum.

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Q
Nicholas, member, from MT, United States, asked on September 30, 2020

Do this come with a gas system?

Expert Answer
A
Answered by Nick B., Gear Expert, from IL, United States, on September 03, 2021

All barrels with Intermediate, Rifle +1, Rifle +2, and Rifle +3 gas systems include the proper gas tube.

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Q
Andre, guest, from AZ, United States, asked on August 06, 2020

Does this barrel include the rifle length +1 in. gas tube?

Expert Answer
A
Answered by Nick B., Gear Expert, from IL, United States, on September 03, 2021

All barrels with Intermediate, Rifle +1, Rifle +2, and Rifle +3 gas systems include the proper gas tube.

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Q
BILL, member, from TX, United States, asked on July 03, 2020

What length is the gas system, rifle?

Expert Answer
A
Answered by Nick B., Gear Expert, from IL, United States, on September 03, 2021

This barrel is offered in 3 different gas system lengths: Intermediate Length, Rifle Length, and Rifle+1 Length.

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