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Q&A for AIM Sports Inc Mossberg 500 Keymod Modular Rail System — 10 Questions & 5 Answers

Name AIM Sports Inc Mossberg 500 Keymod Modular Rail System
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Q
Joseph Perez, member, from TX, United States, asked on June 01, 2019

Will this fit a Mossberg 590

Expert Answer
A
Answered by Armando R., Gear Expert, from IL, United States, on August 08, 2019

It is compatible with most Mossberg 500's and while the Mossberg 500 is extremely similar to the 590 they do have some key differences that could affect fitment like barrel diameter, magazine tube, etc. We cannot guarantee this will work properly on a Mossberg 590.

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Q
Big daddy, guest, from NC, United States, asked on December 28, 2018

What is the difference between keymod and m-lock modular rail system??

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A
Answered by Armando R., Gear Expert, from IL, United States, on August 08, 2019

The differences are in the spacing and exact dimensions of the attachment methods. You can get the exact dimensions and specifications from their respective creators. The accessories are not interchangeable and at this point M-lok has pretty much taken over as the leading modular accessory attachment method.

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Q
Mark, guest, from ND, United States, asked on September 29, 2018

How long is the rail itself

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Answered by Armando R., Gear Expert, from IL, United States, on August 08, 2019

The length of the rail system is 24.2".

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Q
Dylan, guest, from OR, United States, asked on February 25, 2018

Does this come with hardware to mount on gun

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A
Answered by Mark H., Gear Expert, from IL, United States, on May 08, 2018

Yes, all hardware needed for installation is included.

Mark H.

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Q
Miguel, guest, from TX, United States, asked on February 24, 2018

Will this work on a maverick 88 12g with a 18.5" barrel

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A
Answered by Jonathan D., Gear Expert, from IL, United States, on April 16, 2018

Yes it should fit.

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Q
kory, guest, from CA, United States, asked on July 02, 2020

Will it fit a Winchester sxp?

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Q
NY2FL, guest, from FL, United States, asked on June 10, 2020

How much does this weigh?

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Q
Dana, guest, from NH, United States, asked on April 26, 2020

Hello. Will this fit a mossberg maverick 88 20 gauge shot gun ? Thanks

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Q
Chefciscolv, member, from NV, United States, asked on April 07, 2020

Will this work on a Maverick 88 with the 20” barrel and extended mag tube?

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Q
Nathaniel, guest, from WI, United States, asked on April 06, 2020

Will this fit on the Mossberg 500 flex?

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Last updated 2025-11-12 UTC.