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This will go to a milspec lower? — 1 Answer

by Andrew Angus, from OH, United States Asked on November 21, 2022

Name Brenton USA Tracker 22in .450 Bushmaster Upper Receiver
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Answered by Ethan, Gear Expert, from IL, United States, on February 27, 2023

The Brenton USA Tracker 22in .450 Bushmaster Upper Receiver will be compatible with any Milspec AR15 5.56 lower receiver.

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Last updated 2025-11-12 UTC.