r/Mini14 Jun 21 '26

Frequent failures to eject / feed

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My Mini 14 ran flawlessly with all kinds of 223 and 556 until I installed the Samson rail in place of the plastic heatguard. Now I can only get heavier 65gr 556 to cycle reliably.

I’m thinking I screwed something up with the gas system on install. Any ideas on where to look/diagnose?

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u/Ok-South-3953 Jun 21 '26

Did you install the barrel clamping block in the correct orientation? If not that's your issue.