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Will this work with the 204 ruger that has a mil spec fixed stock and a mil spec buffer spring — 1 Answer

by SETH, from PA, United States Asked on November 2, 2021

Name RISE Armament RA-1010 AR-15 Low-Mass Bolt Carrier Group (BCG) (4.8)
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Answered by Ethan, Gear Expert, from IL, United States, on March 07, 2022

Yes. The RISE Armament RA-1010 Low-Mass Bolt Carrier Group will work with rifles that are compatible with 5.56 bolt carrier groups like AR15's chambered in .204 Ruger. Although, using a low mass BCG may require some tuning of your rifle in terms of an adjustable gas block or new buffer in order to ensure it functions properly.

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Last updated 2025-11-12 UTC.