The serial number on a Kel-Tec PF9 is typically located on the right side of the frame, just above the trigger guard. It may also be found on the slide, but the frame is the primary location. Always refer to the owner's manual for specific details about your firearm.
Tec 4 is higher.
You will have to contact the maker. No published sn data.
The serial number on a Kel-Tec SU-16 is typically located on the right side of the receiver, just above the trigger guard. It may also be found on the barrel or on the lower receiver, depending on the specific model. Always refer to the owner's manual for precise information regarding your particular firearm.
What is the age of a Colt rifle serial SLD25319
Tec - 9
C-Tec was created in 1995.
Kel-Tec was created in 1991.
Nechama Tec was born in 1931.
TEC Awards was created in 1985.
Tec-Mec was created in 1958.
Tec Laboratories was created in 1977.