Q&A for Next Level Armament NLA AR -15 M-Lok Handguard

Next Level Armament NLA AR -15 M-Lok Handguard

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Glenn, guest, from OH, United States, asked on April 05, 2026

Will this work for the smith and wesson 9mm response?

Manufacturer Answer

Answered by Next Level Armament, Manufacturer from MI, United States, on May 27, 2026

The short answer is we don't know. You would have to check with S&W to see what size barrel nut and threads they used on the upper to see if our barrel nut will fit. They are known for not using mil-spec dimensions on certain aspects of their AR style firearms. I would be also be wary of getting the proper torque specs on a polymer upper. It looks like they use the handguard to hold the barrel in place, so you would have to make sure a atandard mil-spec AR15 barrel nut would hold the barrel in place as well.

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Brock, member, from NY, United States, asked on February 12, 2026

will the 7" fit on an Adam's Arms gas piston upper?

Answered by Next Level Armament, guest, from MI, United States, on February 19, 2026

We don't know the size of Adam's Arms piston assembly, but from the center of the rail to the the gas tube relief slot is 1" and the width of the slot is .48"

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ARide4Ever, member, from FL, United States, asked on January 30, 2026

will the 9"fit on an rifle length Adams Arms upper with the original railed gas block?

Answered by dwanger, guest, from MI, United States, on February 04, 2026

No the original gas block would interfere

1 of 1 found the following answer helpful.

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TinCuda, member, from TX, United States, asked on June 07, 2025

The description on Optics Planet shows the material 7075. The Next Level website doesn't seem to make that claim. Is this HG made from 7075 or 6061?

Answered by dwanger, guest, from MI, United States, on February 04, 2026

That is Made from 6000 Series Aluminum. I will reach out for them to update this. 7000 Extrudes like doo doo

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JOSHUA, member, from TX, United States, asked on January 04, 2025

will this fit over a 1.375in diameter cgs mod 9 can?

Answered by dwanger, guest, from MI, United States, on February 04, 2026

1.43 is the smallest ID of the Handguard.

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damagerfx, member, from PA, United States, asked on January 17, 2022

What is the inside dimension?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on April 07, 2022

The Next Level Armament M-Lok Handguards have an internal diameter of 1.4". Each handguard features MLOK attachment points on both sides and the bottom of the handguard. Each handguard includes one 5 slot MLOK rail section and shims for timing the barrel nut (Included).

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S G, member, from WV, United States, asked on March 31, 2021

What is inner diameter? Will it fit over 1.5 in suppressor

Answered by Rick, member, from VA, United States, on July 14, 2021

1.4 inches

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Q&A for Next Level Armament NLA AR -15 M-Lok Handguard — 7 Questions & 7 Answers

Will this work for the smith and wesson 9mm response?

will the 7" fit on an Adam's Arms gas piston upper?

will the 9"fit on an rifle length Adams Arms upper with the original railed gas block?

The description on Optics Planet shows the material 7075. The Next Level website doesn't seem to make that claim. Is this HG made from 7075 or 6061?

will this fit over a 1.375in diameter cgs mod 9 can?

What is the inside dimension?

What is inner diameter? Will it fit over 1.5 in suppressor