What i think has happened here is the barrels were cut down short. Then somone removed the ribs and lengthened the tubes with a slip joint collar. Then re-installed the ribs. The rib extension is from another gun and is epoxied or brazed on or something due to the slippy looking joint.
Quite an ingenious attempt at lengthening cut barrels. I will start the bidding at $50 for the parts.
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B. Dudley
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