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Will the hellfire 9mm compensator fit in this handguard? — 1 Answer

by Zane Smith, from KY, United States Asked on August 1, 2022

Name Guntec USA Ultra Lightweight Thin M-LOK System Free Floating Handguard w/ Monolithic Top Rail (3.4)
As Low As $65.99 Save Up to 24%
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Answered by Ethan, Gear Expert, from IL, United States, on August 11, 2022

No. This Guntec USA AR-15 Ultra Lightweight Thin M-LOK Free Floating Handguard has an internal diameter of 1.34", while the AR 9mm “HELLFIRE” Comp has an outside diameter of 1.4".

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Last updated 2026-07-09 UTC.