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Yankee Hill Machine + AR15 Accessories Yankee Hill Machine AR15 Accessories Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + AR15 Accessories Yankee Hill Machine AR15 Accessories + AR 15 Tactical Rails Yankee Hill Machine AR 15 Tactical Rails Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + AR 15 Parts Yankee Hill Machine AR15 Parts + AR15 Upper Parts Yankee Hill Machine AR15 Upper Parts + AR 15 Tactical Rails Yankee Hill Machine AR 15 Tactical Rails Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + Rifle Parts Yankee Hill Machine Rifle Parts + AR 15 Parts Yankee Hill Machine AR15 Parts + AR15 Upper Parts Yankee Hill Machine AR15 Upper Parts + AR 15 Tactical Rails Yankee Hill Machine AR 15 Tactical Rails Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + AR 15 Parts Yankee Hill Machine AR15 Parts + AR Handguards & Forends Yankee Hill Machine Handguards & Forends Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + Rifle Parts Yankee Hill Machine Rifle Parts + AR 15 Parts Yankee Hill Machine AR15 Parts + AR Handguards & Forends Yankee Hill Machine Handguards & Forends Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + AR 15 Parts Yankee Hill Machine AR15 Parts + AR15 Upper Parts Yankee Hill Machine AR15 Upper Parts Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + Rifle Parts Yankee Hill Machine Rifle Parts + AR 15 Parts Yankee Hill Machine AR15 Parts + AR15 Upper Parts Yankee Hill Machine AR15 Upper Parts Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + AR 15 Parts Yankee Hill Machine AR15 Parts Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + Rifle Parts Yankee Hill Machine Rifle Parts + AR 15 Parts Yankee Hill Machine AR15 Parts Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + Rifle Parts Yankee Hill Machine Rifle Parts Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter?

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Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions

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Answered by Jonathan D., Gear Expert, from IL, United States, on November 18, 2019

Yankee Hill Machine does not specify the internal diameter, please contact them directly for further assistance.

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Answered by RugerLuger, guest, from UT, United States, on January 07, 2021

Per the Photos on the YHM website the internal diameter is 1.75"

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Answered by DW, member, from MO, United States, on July 03, 2023

1.75" according to the YHM website.

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Yankee Hill Machine + AR15 Accessories Yankee Hill Machine AR15 Accessories Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + AR15 Accessories Yankee Hill Machine AR15 Accessories + AR 15 Tactical Rails Yankee Hill Machine AR 15 Tactical Rails Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + AR 15 Parts Yankee Hill Machine AR15 Parts + AR15 Upper Parts Yankee Hill Machine AR15 Upper Parts + AR 15 Tactical Rails Yankee Hill Machine AR 15 Tactical Rails Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + Rifle Parts Yankee Hill Machine Rifle Parts + AR 15 Parts Yankee Hill Machine AR15 Parts + AR15 Upper Parts Yankee Hill Machine AR15 Upper Parts + AR 15 Tactical Rails Yankee Hill Machine AR 15 Tactical Rails Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + AR 15 Parts Yankee Hill Machine AR15 Parts + AR Handguards & Forends Yankee Hill Machine Handguards & Forends Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + Rifle Parts Yankee Hill Machine Rifle Parts + AR 15 Parts Yankee Hill Machine AR15 Parts + AR Handguards & Forends Yankee Hill Machine Handguards & Forends Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + AR 15 Parts Yankee Hill Machine AR15 Parts + AR15 Upper Parts Yankee Hill Machine AR15 Upper Parts Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + Rifle Parts Yankee Hill Machine Rifle Parts + AR 15 Parts Yankee Hill Machine AR15 Parts + AR15 Upper Parts Yankee Hill Machine AR15 Upper Parts Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + AR 15 Parts Yankee Hill Machine AR15 Parts Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + Rifle Parts Yankee Hill Machine Rifle Parts + AR 15 Parts Yankee Hill Machine AR15 Parts Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter? Yankee Hill Machine + Gun Parts Yankee Hill Machine Gun Parts + Rifle Parts Yankee Hill Machine Rifle Parts Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Yankee Hill Machine AR-15 12.25 Inch Rifle Length MR7 M-Lok Handguard, Includes All Tools, Parts, and Instructions Q&A Question - What's the internal diameter?