You will have to call Browning to find out.
It will be marked on the receiver/barrel.
The barrel will be marked "Made in Belgium"
look under the forearm
Your browning auto-5 standard 16gauge shotgun was made by FN of belguim for browning in 1953.
Your browning 16ga was produced by browning in belguim in 1949.
@ 40" or so depending on LOP and Barrel length.
Identifies the barrel as suitable for modern loads.
Made in 1934.
Need a detailed description to answer.
You need a trained Browning gunsmith
The Browning Sweet 16 is a 16 gauge shotgun manufactured in Belgium. It uses a true 16 gauge barrel and as such is a wonderful shotgun. To a hunter this is a sweet weapon.