Browning.com has a sn function listed under customer service.
1978
The 2 letters PP in your serial number sequence indicate that your Browning BT-99 was made in the year 1988.
It was made in 1971
Made in 1970
Call Browning with the serial number.
Call Browning with the serial number.
Your gun was made in 1978. The serial number is 3747 / RP represents 1978 / 199 is the product code
Browning.com has sn data under customer service.
See the Browning website- customer service. Date of production by serial number listing.
No serial number = no way to answer.
The Browning BT-99 with the serial number 37D17547 was manufactured in 1977. Browning typically uses a code in the serial number to indicate the year of production, where the "37" represents the year.
Go to Browning's site, click on Support then date your firearm.