Q&A for CMMG, Inc PS90 5. 10.4in. Barrel

CMMG, Inc PS90 5. 10.4in. Barrel

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Antoyne, guest, from FL, United States, asked on February 09, 2021

I was told after SBR conversion the length of the PS90 is 19.7" but I see an answer on here for 21.3". Which is accurate for ATF form 1?

Expert Answer

Answered by Nick B., Gear Expert, from IL, United States, on October 15, 2021

We are not able to determine what the overall length for your firearm will be with this barrel installed.

4 of 7 found the following answer helpful.

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Anthony Cooper, member, from FL, United States, asked on June 07, 2020

After install of this 10.4” barrel what is the overall length of the PS90?

Expert Answer

Answered by Julia, Gear Expert, from IL, United States, on December 23, 2020

This barrel would bring the length of the PS90 roughly to 21.3 inches.

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Skay556, guest, from VA, United States, asked on September 17, 2022

When sbring a ps90 is this barrel all you need to complete the job?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on September 27, 2022

Email us at Techsales@opticsplanet.com for assistance.

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TYSON, guest, from WA, United States, asked on April 24, 2022

Is this the chrome lined one on the cmmg website?

Expert Answer

Answered by Hunter, Gear Expert, from OH, United States, on April 20, 2023

The CMMG, Inc PS90 5. 10.4in. Barrel 57DF1C7 is not stated as being chrome lined by CMMG.

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Jake, guest, from FL, United States, asked on March 12, 2022

Is the barrel 4150 or 4140? It appears as both depending on whether you’re reading the “details” tab or the “specs”.

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on May 27, 2022

The CMMG, Inc PS90 5. 10.4in. Barrel is 4140CM, SBN with a 1:9 twist.

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Ed, guest, from TN, United States, asked on August 20, 2021

Do I buy it then get the tax stamp or stamp then buy it?

Expert Answer

Answered by Nick B., Gear Expert, from IL, United States, on October 15, 2021

You do not need a tax stamp to purchase this barrel. You will need to contact the appropriate agencies for the proper steps to take prior to installing the barrel on a firearm.

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Steven Craig, member, from GA, United States, asked on August 26, 2020

Is this sbr barrel

Expert Answer

Answered by Julia, Gear Expert, from IL, United States, on December 23, 2020

Yes, you could use this barrel for an SBR build.

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Q&A for CMMG, Inc PS90 5. 10.4in. Barrel — 7 Questions & 9 Answers

I was told after SBR conversion the length of the PS90 is 19.7" but I see an answer on here for 21.3". Which is accurate for ATF form 1?

After install of this 10.4” barrel what is the overall length of the PS90?

When sbring a ps90 is this barrel all you need to complete the job?

Is this the chrome lined one on the cmmg website?

Is the barrel 4150 or 4140? It appears as both depending on whether you’re reading the “details” tab or the “specs”.

Do I buy it then get the tax stamp or stamp then buy it?

Is this sbr barrel