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I have a 6.8 SPC, and having trouble adjusting the gas block system. After fire the casing wouldn’t eject or after fired it eject but wouldn’t chamber — 1 Answer

by jimbo, from CA, United States Asked on December 19, 2024

Name CMMG ZEROED .750in ID Adjustable Gas Block (4.2)
$79.95 $68.79 Save 14%
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Answered by Craig, member, from NY, United States, on September 09, 2025

You just need to adjust the gas block to allow more gas to cycle the action.

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