This bead sight is for the front of a shotgun barrel. The bead is .130" with a 3 x 56 thread.

Doing some research I found that the following shotguns have a 3 x 56 thread: Winchester models: Super X1, 1200, 1300, 1400, 1500, SX2, 120, 12, 10, 23. And these Browning shotguns: 12, BT-99, BT-100, Citori, Superposed, B-80. H&R Shotgun models Survivor, Pardner, Tamer and Topper in .410, 20 and 12 gauge. These threads might fit other shotguns also but this is what I have found. 

Condition: New.

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My Stock number: SN3772 4/13/24

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