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Q&A for CMMG, Inc MK3 Handguard Kit — 8 Questions & 9 Answers

Name CMMG, Inc MK3 Handguard Kit (3.5)
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Q
Drew Matterer, guest, from NC, United States, asked on April 02, 2018

What is the exact length on this rail?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on June 08, 2018

The overall length of each rail is as listed in the product selection.

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Q
N, guest, from CA, United States, asked on July 01, 2021

CMMG handguard MK3 can be used interchangeable AR-15 MK4 ?? Barrel nut is necessary to be changed ?

Expert Answer
A
Answered by Tom B, Gear Expert, from IL, United States, on October 27, 2021

Yes, you would need to change the barrel nut.

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Q
Ethan, guest, from TX, United States, asked on May 28, 2021

What is the weight of the 11" mk3 rail?

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A
Answered by Brandon B, Gear Expert, from IL, United States, on September 17, 2021

Please reach out to CMMG directly as they do not make this information available.

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Q
Alex, member, from TN, United States, asked on November 09, 2020

Will this be comparable with an Aero precision upper receiver?

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

Yes, this handguard will fit the M4 non-enhanced uppers.

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Q
E, guest, from CA, United States, asked on September 10, 2020

What is the barrel nut made out of?

Expert Answer
A
Answered by Todd, Gear Expert, from IL, United States, on August 04, 2021

The CMMG barrel nut is made of steel.

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Q
Don, member, from CA, United States, asked on July 03, 2020

does it include a barrel nut wrench?

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A
Answered by Bethany Kopel, Gear Expert, from UT, United States, on March 04, 2021

CMMG does not include the barrel nut wrench in its list of items included.

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Q
Brian, guest, from WI, United States, asked on July 12, 2018

What is the inside diameter of this rail??

Expert Answer
A
Answered by Jonathan D., Gear Expert, from IL, United States, on September 28, 2018

MPN: 38DA27A for 308 has a 1.5" inside diameter, all others for AR-15 have a 1.36" inside diameter.

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Q
Drew Matterer, guest, from NC, United States, asked on April 02, 2018

Will this barrel nut work with standard AR15 upper.

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on June 08, 2018

Any of the models listed for AR-15 will fit any standard AR-15 upper receiver. The AR-10 models will not fit.

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