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Would the h2 version work for a 300 blackout 7" sbr running subsonic ammo? Or should I get h3? — 1 Answer

by Puchungo, from FL, United States Asked on December 30, 2021

Name Aero Precision AR15/M4 Carbine Buffer Kit, No Stock (4.7)
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Answered by Aero Precision USA, Manufacturer from WA, United States, on February 11, 2022

Depends on the gas port size of the barrel and the if it is suppressed or not, H2 buffer would be a good place to start though!

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Last updated 2025-11-12 UTC.