Want this question answered?
You will have to ask Browning.
Browning did not make a revolver.
This was a special run that Browning produced. I believe that public availability was limited. Please contact Browning Customer Service for details about this production. Link below
This gun was made in 1957
You must call Browning to find out.
Your serial number indicates that your Browning auto-5 sweet sixteen model shotgun was made in Belgium by FN for Browning in the year 1961.
Your browning 16ga was produced by browning in belguim in 1949.
Advertising term.
With the serial number that you provided,your Browning 16 gauge shotgun was produced in the year 1949,by FN of Belguim for Browning.
Acier special means Special steel, and barrels marked this way are only on FN sales guns, not Browning. FN produced the guns for sale outside the US and were not imported to be sold by the Browning Co. The FN version is mechanically the same as the Browning version, but markings and finish may be different.
You will have to call Browning to find out.
They will do special orders.