From top Flues Grade 1 1/2 10 gauge, Grade 5 NID 12 Gauge, 2 Bolt Quality B Hammer Gun 16 gauge, 28 Gahttps://parkerguns.org/forums/attachment.php?attachmentid=122971&stc=1&d=1706283 831uge NID with 28" barrels, Lefever Arms .410
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