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Q&A for Fostech MACH-2 AR-15 Tactical Rail — 6 Questions & 8 Answers

Name Fostech MACH-2 AR-15 Tactical Rail (4.3)
As Low As $131.99 Save Up to 22%
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Q
Patrick, member, from NH, United States, asked on February 08, 2020

What is the overall weight of the handguard, barrel nut and any other mounting hardware?

A
Answered by dejo, guest, from TX, United States, on June 16, 2023

My 13 inch rail weighs 5.4 ounces with all hardware included

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Q
DangerMouse, member, from NC, United States, asked on September 07, 2020

In addition to Patrick's question already asked, what is the inner diameter (for a recessed blast shield, suppressor, or linear comp)?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on July 07, 2022

FosTech Outdoors does not provide the internal diameter of their MACH-2 AR-15 Tactical Rails. I'd recommend reaching out to them directly for more information. Their contact info is linked below:
https://fostech.com/about-fostech-inc/

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Q
Jack Rich, member, from PA, United States, asked on January 21, 2023

Does this come with the barrel nut?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on June 28, 2023

Yes, the Fostech MACH-2 AR-15 Tactical Rail will include the barrel nut and mounting hardware required for installation.

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Q
Alain, member, from FL, United States, asked on January 18, 2023

How much the 13” rail weigh with the barrel nut?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on July 14, 2023

The 13" Fostech MACH-2 AR-15 Tactical Rail weighs 5.2ounces. Fostech does not state the weight of the rail and barrel nut so I recommend contacting Fostech for that information.

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Q
D, member, from OR, United States, asked on May 10, 2025

Can I pair this with an Aeroknox upper?

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Q
Joey, member, from CA, United States, asked on June 16, 2024

Will this fit AR-10/.308… Aero Precision M5, to be exact.

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