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will the 7" fit on an Adam's Arms gas piston upper? — 1 Answer

by Brock, from NY, United States Asked on February 12, 2026

Name Next Level Armament NLA AR -15 M-Lok Handguard (5)
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Answered by Next Level Armament, guest, from MI, United States, on February 19, 2026

We don't know the size of Adam's Arms piston assembly, but from the center of the rail to the the gas tube relief slot is 1" and the width of the slot is .48"

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