Smith & Wesson Model 640-1 .357 Magnum Centennial J-Frame, Factory Mag-Na-Ported, 2.125 in Stainless DAO Revolver (Pre-Lock)
This Smith & Wesson Model 640-1 is a stainless, pre-lock Centennial-series J-frame chambered in .357 Magnum with a double-action-only, fully enclosed hammer. Notably, this is a factory Mag-Na-Ported variant, featuring paired rectangular ports on the 2.125 inch, full-underlug barrel. It is built on the strengthened J-Magnum frame and comes with a factory blue S&W case bearing a matching end label with product code 103690 and "CENTENNIAL MAGNAPORTED" designation.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: The exterior shows minor superficial scratches and small blemishes consistent with light handling. The bore presents a bright, reflective finish.
What's Included
- Smith & Wesson blue hard plastic factory case with matching end label (Model 640, product code 103690, marked 'CENTENNIAL MAGNAPORTED')
The Model 640-1 is part of S&W's Centennial line, featuring a fully enclosed hammer for a snag-free double-action-only operation. This example is built on the strengthened J-Magnum frame to handle .357 Magnum, with a 5-shot cylinder. The model designation "640-1" is marked in the yoke.
The 2.125 inch stainless barrel has a full underlug and paired rectangular ports. The revolver has been magnaported by a previous owner, providing the distinctive porting pattern noted on the barrel.
Sights are fixed, with a serrated ramp front and a square-notch rear cut into the topstrap. It wears factory S&W-marked black textured rubber boot grips on a round-butt frame for a compact profile.
This is a stainless-steel build throughout the frame, barrel, and cylinder, and it is a pre-lock configuration with no internal lock. The included factory case label lists product code 103690 and identifies the revolver as a "640 CENTENNIAL MAGNAPORTED." Made in the United States.