What frame is the 640?
J frame
In 1995, Smith & Wesson introduced the Model 640, the first J frame revolver chambered in the powerful . 357 Magnum round. Based on Model 40 Centennial, the Model 640 is a small frame concealed hammer revolver that packs a full-sized punch.
What is the smallest Smith & Wesson revolver?
The Model 640 is a small-frame, concealed-hammer revolver that packs a full-sized punch. ALL BACKED BY OUR SMITH & WESSON LIFETIME SERVICE POLICY.

How much does a Smith & Wesson 640 weigh?
22.58 oz.
Smith & Wesson Model 640
S&W 640 | |
---|---|
Mass | 22.58 oz. ; 15.8 oz for alloy version |
Length | 6.56″ |
Barrel length | 2.125″ |
Caliber | .357 Magnum .38 Special .38 Special +P |
Which J-frame is the best?
5 Great J-Frame Options for Concealed Carry
- S&W Bodyguard. There are a number of Bodyguard models out there, and the Bodyguard might be the most famous J-Frame on the market.
- Ruger SP 101. Technically this is a little big for a J-Frame or Snub nose rating.
- Colt Cobra.
- S&W 638.
- Ruger LCR.
- About the Author:
Does Smith and Wesson make a 22 revolver?

The Smith & Wesson Model 63 . 22/32 Kit Gun, is built on a stainless-steel J-frame and chambered in 22 Long Rifle. This lightweight revolver is small enough to be carried inside a hunter or fisherman’s kit bag, as its name suggests.
Are 9mm and 357 the same?
357, . 380 auto and 9mm ammunition are all the same caliber. (Caliber is the size of the projectile, or bullet.) The different names are for marketing reasons or because of where the cartridge was developed.
Is an SW 640 AJ frame?
There are plenty of other steel J-frames in the S&W lineup, but the unique sights on the 640 are really what makes it stand out above the rest — it’s currently the only S&W revolver that’s cut for dovetail style drift-adjustable pistol sights.
What does J-frame mean?
The designation J-Frame is technically an S&W term for a particular revolver frame size. The J-Frame moniker has evolved and grown and now become a term meaning small revolver in general. The J-Frame has become synonymous with snub nose revolver.
What kind of Revolver is a Smith and Wesson 640?
The Model 640, is a variation of the Model 40 Centennial that integrates the time-tested features of the original with modern advancements. The Model 640 is a small-frame, concealed-hammer revolver that packs a full-sized punch. ALL BACKED BY OUR SMITH & WESSON LIFETIME SERVICE POLICY.
What kind of barrel does a Smith and Wesson 642 have?
The 642 was an alloy framed version of the 640 and was extremely popular. As with the original Model 640, the 642 was chambered for .38 Special but was not rated for +P. It featured a stainless steel barrel, yoke, and crane with an alloy frame that was clear coated. In 1993, Smith introduced the Model 442 which was a 642 with a black finish.
What kind of barrel does a Glock 640 have?
The current production Model 640 features a stainless frame, barrel, and cylinder. Chambered in .357 Magnum, it also has a 2.125” barrel with a full underlug.
Is the Smith and Wesson Centennial Model 640 the Roscoe you want?
If that is the case, then the Centennial series is the sleek and sexy roscoe that you want to take to the prom. After the article on the 649, it was only natural to evaluate the new Model 640. The Centennial was introduced in 1952 to celebrate Smith & Wesson’s 100 th year and remained in production until 1974.