Q&A for Proof Research PR15 6mm ARC Carbon Fiber Threaded Barrel

Proof Research PR15 6mm ARC Carbon Fiber Threaded Barrel

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Sdt, member, from MS, United States, asked on August 31, 2020

Does this item come with the appropriate length gas tube?

Expert Answer

Answered by Armando R., Gear Expert, from IL, United States, on March 22, 2022

All barrels with Intermediate, Rifle +1, Rifle +2, and Rifle +3 gas systems include the proper gas tube. Any other standard length barrel will use a standard length gas tube (carbine, midlength, etc.)

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JIM, guest, from FL, United States, asked on May 27, 2025

WHAT THREAD SIZE TO ADD SUPPRESOR

Manufacturer Answer

Answered by Proof Research, Manufacturer from MT, United States, on May 29, 2025

All 6ARC barrels from Proof will come threaded 5/8-24 as a standard.

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Curious Customer, guest, from AZ, United States, asked on April 21, 2025

Does it come with a gas block

Manufacturer Answer

Answered by Proof Research, Manufacturer from MT, United States, on April 23, 2025

None of our barrels come with a gas block. The models that state the "Rifle Plus", or "Intermediate" gas system length, will come with a gas tube.

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Spj, member, from MN, United States, asked on April 20, 2025

Does this come with an adjustable gas block?

Manufacturer Answer

Answered by Proof Research, Manufacturer from MT, United States, on April 23, 2025

None of our barrels come with a gas block. The models that state the "Rifle Plus", or "Intermediate" gas system length, will come with a gas tube.

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Yang Jackson, member, from TX, United States, asked on September 01, 2022

Is the 20” carbon fiber version only an oz lighter than the stainless version?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on September 06, 2022

The 20" Proof Research PR15 6mm ARC Carbon Fiber Threaded Barrel weighs 2lbs-1oz, while standard 20" Proof Research barrels weigh 3lbs-10oz.

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Mario, member, from AZ, United States, asked on October 27, 2021

What gas tube is compatible with this barrel? I know it’s rifle length plus one but I can’t find a tube that size on your site.

Expert Answer

Answered by Patrick, Gear Expert, from IL, United States, on November 05, 2021

Please email us at techsales@opticsplanet.com so we may provide you with gas tube options.

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AZSixGuns, member, from AZ, United States, asked on July 24, 2021

Is PR15 for a AR-15 or something different?

Expert Answer

Answered by Patrick, Gear Expert, from IL, United States, on November 05, 2021

Yes, this is for an AR platform rifle chambered in 6mm ARC

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Mudbone, member, from CA, United States, asked on April 10, 2021

how much each weigh?

Expert Answer

Answered by Brandon B, Gear Expert, from IL, United States, on July 23, 2021

The 18inch barrel weighs in at 1lb 14oz.
The 16inch barrel weighs in at 1lb 12oz.

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Q&A for Proof Research PR15 6mm ARC Carbon Fiber Threaded Barrel — 8 Questions & 11 Answers

Does this item come with the appropriate length gas tube?

WHAT THREAD SIZE TO ADD SUPPRESOR

Does it come with a gas block

Does this come with an adjustable gas block?

Is the 20” carbon fiber version only an oz lighter than the stainless version?

What gas tube is compatible with this barrel? I know it’s rifle length plus one but I can’t find a tube that size on your site.

Is PR15 for a AR-15 or something different?

how much each weigh?

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Q&A for Proof Research PR15 6mm ARC Carbon Fiber Threaded Barrel — 8 Questions & 11 Answers