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Does this upper fit on a Bushmaster lower XM15-S2? — 1 Answer

by John, from MI, United States Asked on April 14, 2025

Name Bushmaster Bravo Zulu Upper Assembly (5)
As Low As $523.40 Save Up to 16%
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Answered by One eye jack, member, from IN, United States, on May 26, 2025

It fits all mil spec lower receivers. If you have any cycle issues just swap out buffer for h3 heavy buffer.

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