Q&A for Faxon Firearms 5.56 NATO, Govt/Socom Profile Rifle Barrels

Faxon Firearms 5.56 NATO, Govt/Socom Profile Rifle Barrels

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Jeff, member, from MS, United States, asked on April 08, 2018

Is ths Faxon barrel dimpled on the bottom for the gas block?

Expert Answer

Answered by Armando R., Gear Expert, from IL, United States, on December 24, 2020

Faxon barrels are NOT dimpled from the factory. The end user would choose the style of gas block and then install it depending on the instructions.

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bear, guest, from CA, United States, asked on October 01, 2018

Is this button rifled or cold hammer forged ??? Chrome lined or not???

Expert Answer

Answered by Armando R., Gear Expert, from IL, United States, on January 05, 2019

These barrels are button rifled and are nitride lined both inside and outside of the barrel. They are not chrome lined.

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Kevin, member, from WA, United States, asked on July 27, 2018

what diameter gas block will fit this barrel ?

Expert Answer

Answered by Julia, Gear Expert, from IL, United States, on December 22, 2020

A gas block with a .750" diameter will fit.

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RLB, member, from AZ, United States, asked on March 12, 2024

What is the length of the journal for the gas block? Is it 1.9inches long for an A2 front sight and gas block?

Manufacturer Answer

Answered by Faxon Firearms, Manufacturer from OH, United States, on January 08, 2025

Yes, the gas block journal on all the Gov't/Socom profile barrels is 1.9" long.

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Brad Tully, member, from FL, United States, asked on November 12, 2021

Do these barrels come with a barrel nut?

Manufacturer Answer

Answered by Faxon Firearms, Manufacturer from OH, United States, on November 24, 2021

No, these barrels do not come with a barrel nut.

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ROG, guest, from OK, United States, asked on August 14, 2021

What size gas block do they use?

Expert Answer

Answered by Brandon B, Gear Expert, from IL, United States, on August 20, 2021

The gas block will be determined by what gas system you currently have

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gomie33, member, from MI, United States, asked on April 23, 2021

what does govt/Socom mean building my first ar15 not sure what the differences are?

Manufacturer Answer

Answered by Faxon Firearms, Manufacturer from OH, United States, on August 27, 2021

"Gov't/Socom" refers to the profile of the barrel. This means it has a "Government" taper from the chamber to the gas block shoulder (taper from ~.670" diameter to ~.525" diameter) and a straight .740" diameter profile in front of the gas block journal. The Gov't/Socom profile is a classic profile that is fairly standard in the AR-15 world.

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Dan, member, from AL, United States, asked on October 29, 2020

What is the thread pattern?

Expert Answer

Answered by Armando R., Gear Expert, from IL, United States, on December 24, 2020

All of the barrels currently listed on this page are threaded 1/2x28.

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Frank, guest, from TX, United States, asked on August 13, 2020

Will a aero precision carbine length gas tube work for this barrel?

Expert Answer

Answered by Armando R., Gear Expert, from IL, United States, on December 24, 2020

The only barrels that will accept a carbine length gas tube are the ones that are listed as having a carbine length gas system under the filters.

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skeeter, member, from GA, United States, asked on July 29, 2020

Description says mil-spec 4150 or stainless 416 R......which is the 16 inch

Expert Answer

Answered by Armando R., Gear Expert, from IL, United States, on December 24, 2020

These barrels are all 4150 steel and are not 416R.

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Q&A for Faxon Firearms 5.56 NATO, Govt/Socom Profile Rifle Barrels — 21 Questions & 26 Answers