The Dumoulin is a standard 3mm 98 Mauser trigger mount, like all the ones built over the last 117 years.

I just put a $38 Bold [Boyds] PR-98 Premium Trigger trigger on and it works fine. That has no safety, but the Dumoulin bolt has a Win M70 type three position safety, so I don't need or want one on the trigger. I adjusted it down to 2 pounds.

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