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Q&A for NcSTAR Vism Ar-15 Keymod Free Float Handguard — 5 Questions & 3 Answers

Name NcSTAR Vism Ar-15 Keymod Free Float Handguard (2.8)
As Low As $60.40 Save Up to 48%
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Q
damagerfx, member, from PA, United States, asked on January 18, 2022

What is the inside dimension?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on March 23, 2022

The NcSTAR Vism Ar-15 Keymod Free Float Handguard has an internal diameter of 1.75". This handguard includes the Barrel Nut, Handguard Adapter Insert, and Short & Medium KeyMod to Picatinny Accessory Rails.

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Q
Jose, member, from FL, United States, asked on August 02, 2020

will this fit mp15 sport II

A
Answered by Brandon, member, from UT, United States, on March 09, 2021

It should fit, but may require some additional changes such as a low profile gas block.

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A
Answered by Mark H., Gear Expert, from IL, United States, on February 06, 2018

The product includes Barrel Nut, Handguard Adapter Insert, Short & Medium KeyMod® to Picatinny Accessory Rails, main Handguard Tube in 10" Length, it is not compatible with the stock barrel nut.

Mark H.

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Q
Unclesarge58, member, from AR, United States, asked on January 11, 2026

Does this Include the Barrel Nut?

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Q
corentin erhart, guest, from Alsace, France, asked on July 27, 2025

Is it compatible with a s&w mp15 sport (with a gas block low profile) ?

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