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Ckhobart
I saw it. Look close at rib extension (Greener cross bolt) ... see engraving filed off, and lose fit around it. Could be that somebody hammered it and filed off and sanded hammer marks. That is what i see, but i could be wrong. I want to see rib extension very tight fit in its slot for project like DR conversion. Lose fit could mean that gun was shot a lot, with full power loads. If heat treat and draw-back was not "Just right" the metal is bit softer then it should be. Full power loads then hammer hinge pin and locking lug area (Greener cross bolt is part of it) to the point that it become lose. My shotguns are super tight in that "Greener cross bolt" area. Remember that DR barrel's are rifled, and that changes everything. Read about all these point's in Ellis Brown's book.

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Thanks for the advice! will do

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