Smith And Wesson Serial Numbers Lookup ~upd~ Jun 2026

For semi-autos: 1st, 2nd, or 3rd generation (e.g., 39, 59, 459, 5906) or M&P (Shield, 2.0).

Open the cylinder. Look on the frame in the yoke cut (the recess where the cylinder hinges). If your gun was made after 1957, you will see "MOD" followed by a number (e.g., MOD 10-5, MOD 29-2, MOD 686-1). Write down the dash number (e.g., the "-5" indicates an engineering change). smith and wesson serial numbers lookup

For a quick free check, start with or Proofhouse . For serious collectors or legal documentation, get the factory letter . For semi-autos: 1st, 2nd, or 3rd generation (e