Q&A for FM Products Gen 2 Ultra Light Free Float AR15 M-Lok Handguard w/ Barrel Nut

FM Products Gen 2 Ultra Light Free Float AR15 M-Lok Handguard w/ Barrel Nut

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Alex Rodd, member, from FL, United States, asked on June 15, 2022

How much length does the barrel nut add to overall length?

Expert Answer

Answered by Hunter, Gear Expert, from OH, United States, on September 22, 2022

Please email us at techsales@opticsplanet.com regarding your question.

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HGW, member, from IN, United States, asked on November 29, 2022

Will the Bbarrel Nut fit over a 1.052" Bull Barrel?

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on December 01, 2022

The FM Products Gen 2 Ultra Light Free Float AR15 M-Lok Handguard only has an internal diameter of 1.294". You will need to use a low profile gas block. I would recommend measuring your setup to ensure fitment.

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jasju, member, from IN, United States, asked on November 12, 2022

What is the inside diameter of this fore end

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on November 14, 2022

The FM Products Gen 2 Ultra Light Free Float AR15 M-Lok Handguard has an internal diameter of 1.294" (32.88mm).

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Zachary Schneider, member, from WI, United States, asked on August 19, 2022

Are the M Lok slots on all 7 sides? Or 3/6/9? It says both in description.

Expert Answer

Answered by Hunter, Gear Expert, from OH, United States, on September 02, 2022

The FM Products Gen 2 Ultra Light Free Float AR15 M-Lok Handguards have MLOK mounting slots on 7 sides. The two rows on the top may not leave enough space with the full length top rail to mount certain accessories.

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richard, guest, from FL, United States, asked on August 17, 2022

Will this fit with Bear creek arsenal uppers

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Answered by Ethan, Gear Expert, from IL, United States, on August 26, 2022

Yes, the FM Products Gen 2 Ultra Light Free Float AR15 M-Lok Handguard is compatible with Bear Creek Arsenal AR15 upper receivers. It will include the proprietary barrel nut required to install the handguard.

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Joshua, member, from NC, United States, asked on July 20, 2022

Will this work with an FM9 upper?

Expert Answer

Answered by Hunter, Gear Expert, from OH, United States, on July 22, 2022

Yes, the FM Products Gen 2 Ultra Light Free Float AR15 M-Lok Handguard will work with the FM9 upper receiver.

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Tony, member, from VA, United States, asked on January 14, 2022

What is the inside diameter of this handguard?

Answered by Ken, member, from WA, United States, on January 28, 2022

Per Foxtrot Mike's website..... ID: 1.3". Hope this helps.

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Milo, member, from OH, United States, asked on December 20, 2021

I have a Colt M4 Carbine LE6920 with the mag pull hand guard. What is the correct m-Lok handquard model

Expert Answer

Answered by Ethan, Gear Expert, from IL, United States, on February 03, 2022

The FM Products Gen 2 Ultra Light Free Float AR15 M-Lok Handguard is a free float system that uses a barrel nut. You Colt M4 Carbine uses a delta ring and fixed front sight and will not be compatible with this rail unless you remove the delta ring, and change your fixed front sight to a low profile gas block. At that point, you can use any length handguard you want.

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F the ATF, member, from TX, United States, asked on February 07, 2024

What is inside and outside diameter?

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Q&A for FM Products Gen 2 Ultra Light Free Float AR15 M-Lok Handguard w/ Barrel Nut — 9 Questions & 9 Answers