Smith & Wesson Model 642 Centennial Airweight .38 Special, 1.875 inch Barrel, DAO J-Frame, Stainless/Aluminum, 5-Shot
The Smith & Wesson Model 642 Centennial Airweight is a DAO J-frame revolver with an enclosed hammer and a lightweight aluminum-alloy frame paired with a stainless steel barrel and cylinder. This example features the classic yoke cut marked "MOD. 642," fixed sights, a shrouded ejector rod, and a 5-shot fluted cylinder. It is in excellent condition and shows the lockless frame configuration without the internal lock keyhole on the left side.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Light handling marks from previous use are present. Please refer to the photos for close-ups of markings and overall appearance.
What’s Included
- Smith & Wesson Model 642 Centennial Airweight revolver
This Model 642 follows the Centennial enclosed-hammer design with double-action-only operation, providing a streamlined profile. The internal hammer is fully enclosed, and the yoke cut is correctly marked "MOD. 642" as expected for this model.
The frame is aluminum alloy with a matte silver finish, while the barrel and cylinder are stainless steel. The cylinder has a brushed stainless finish, is fluted, and holds five rounds of .38 Special.
Sight regulation is straightforward with a fixed top-strap groove rear and an integral serrated ramp front. The ejector rod is shrouded for protection and a clean profile.
The revolver is fitted with black synthetic boot-style grips that feature finger grooves and pebble texturing for a secure hold. Made in the United States, this Airweight displays the lockless frame configuration, with no internal lock keyhole on the left side.
With its 1.875 inch barrel, fixed sights, and DAO action, this Model 642 captures the core Centennial Airweight features in a durable, lightweight package.




