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Q&A for OpticsPlanet Exclusive Firefield Fringe 10in Carbon M-LOK Rail — 14 Questions & 15 Answers

Name OpticsPlanet Exclusive Firefield Fringe 10in Carbon M-LOK Rail (3)
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Q
thewong1, member, from TX, United States, asked on May 21, 2021

Can this hand guard be installed on a 10” Foxtrot Mike FM9?

Expert Answer
A
Answered by Tom B, Gear Expert, from IL, United States, on October 11, 2021

Yes, it could be installed on your FM9.

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Q
Richard, member, from IL, United States, asked on February 02, 2022

Will this fit a Ruger 556?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on March 01, 2022

Yes, the OpticsPlanet Exclusive Firefield Fringe 10in Carbon M-LOK Rail will work with a Ruger AR556 if it has a low profile gas block. If your Ruger AR556 does not have a low profile gas block and uses an A2 Front sight, this rail will not work unless the A2 front sight is replaced.

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Q
Harv, member, from IN, United States, asked on August 09, 2021

What's the diameter of this handguard?

Expert Answer
A
Answered by Brandon B, Gear Expert, from IL, United States, on August 27, 2021

The diameter of the hand guard is 34mm and the part where it threads into is 30mm.

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Q
Blake, member, from IN, United States, asked on March 24, 2021

Would this work on a 22lr

Expert Answer
A
Answered by Tom B, Gear Expert, from IL, United States, on October 11, 2021

Yes, you could use it on a .22LR AR-15

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Q
Grimm, member, from FL, United States, asked on March 16, 2021

Does this work with piston systems

Expert Answer
A
Answered by Brandon B, Gear Expert, from IL, United States, on August 27, 2021

it does work with piston systems

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Q
just me, member, from AA, United States, asked on February 25, 2021

What size Crows Foot does the barrel nut require?

Expert Answer
A
Answered by Ben, Gear Expert, from UT, United States, on March 01, 2021

Please email us at techsales@opticsplanet.com so we can further answer your question.

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Q
Daniel, member, from MO, United States, asked on January 20, 2021

Does it fit a DPMS style AR-10 upper? Don's see it in the descriptions.

Expert Answer
A
Answered by Davis N., Gear Expert, from IL, United States, on February 08, 2021

No, this would be too small for an AR-10 fitment.

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Q
Na, guest, from MN, United States, asked on January 15, 2021

Is this a LR 308 or ar-15 handguard?

Expert Answer
A
Answered by Davis N., Gear Expert, from IL, United States, on February 08, 2021

This is for the AR-15 platform.

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Q
Justin, guest, from NY, United States, asked on December 20, 2020

Does this cover the mid length gas system?

Expert Answer
A
Answered by Davis N., Gear Expert, from IL, United States, on February 08, 2021

Being a 10" handguard, this may cover most of the gas block but not all.

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Q
Pancho, guest, from TX, United States, asked on December 11, 2020

Can you put a fore grip on this rail?

Expert Answer
A
Answered by Davis N., Gear Expert, from IL, United States, on February 08, 2021

A fore grip is able to be attached if it is M-Lok or using an M-Lok picatinny rail section.

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