3mm x 0.5
Yes
The thread size is: M3.0-.5 The Browning part number for the bead is B1116580
Remingtons are typically 6-48 TPI.
The same thread pattern as a Belgium made Browning. Same gun, same specs, different metal in the barrels.
I have an original 16 ga. nitro special made by Lefever. The sight bead is one eighth if an inch in diameter.
3x0.5 thread
Bead size is a matter of choice and usage. The thread size under the bead depends on the manufacturer and sometimes production date. Searching for the manufacturer's name and "bead" will probably find some charts that list them.
try customer service at browning.com
No it does not. The Browning BPS Hunter is a shotgun. The "410" signifies the shell size (guage) in this case .410
A gunmsith or machinist should be able to help.
Browning.com has sn data under customer service.
Yes to both questions.