How old is your Remington 380 sn pa28xxx?

To determine the age of your Remington 380 with serial number PA28xxx, you would need to refer to Remington's production records, which can often be found online or through firearms forums. Generally, Remington used the PA prefix for their Model 380 pistols produced in the early 1980s. Therefore, your firearm is likely around 40 years old, but for the exact year, consulting specific production resources would be necessary.