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Will this rail work with a 12.5in barrel? — 1 Answer

by Titanium BCG, from NC, United States Asked on July 1, 2022

Name Daniel Defense M4A1 Rail Interface System RIS II (4.9)
$554.00 $516.00 Save $38.00
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Answered by Ethan, Gear Expert, from IL, United States, on July 15, 2022

Yes, The Daniel Defense M4A1 Rail Interface System RIS II is 12.25" in length and has an internal diameter of 1.15". Ensure you use a muzzle device that has an outside diameter smaller than 1.15".

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