@Jim356
Did you recently swap stocks?
Lower the bolt handle all the way and pay attention to where it contacts the receiver, take the action out of the stock and check again to see if it is lowering the same amount.
Sometimes there is excess stock material between the bolt and receiver, preventing 100% contact, which will rob inertia from your firing pin.
If this is the case, file the bolt handle notch of the stock down with a file and hey presto.
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