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I just measured a 20GA two barrel set that I just bought and it measures as follows:
26 inch barrels = RT .618 bore .010 Constriction, LT .617 bore .016 constriction
28 inch barrels = Rt .617 bore .016 Constriction, Lt .617 bore .035 constriction
I've always been impressed by how consistent the bores measure on these guns with very little variation.
26 inch barrels have 2 3/4 inch chambers
28 inch barrels have 3 inch chambers and both marked properly
The Following User Says Thank You to Gerry Addison For Your Post:
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