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Smith & Wesson
Model 520
Smith & Wesson Revolver 520 .357 Mag Variant-2
Scale To:
Gun Dimensions Width:No Data
Length:9.25-in Height:No Data
Barrel:4-in Weight:37.9-oz
Variant 2 of 2
Gun Rankings
  • Power Factor (158 grain bullet)195130
  • Recoil Factor (158 grain bullet)9.24 ft-lb
  • Total Capacity6 rounds
  • ConcealabilityFair
  • Defense Factor65%
Gun Specifications
Type:Revolver
Produced:2005 - 2006
Caliber:.357 Mag
Action:revolving chamber
Trigger:double-action (DA/SA)
Safety:hammer block
Cylinder:6-round
Frame:blued carbon steel
Grip:smooth walnut
Sights:fiber optic front, adjustable rear
Notes:Newer L-frame model
Manufacturer
Smith & Wesson
More Info
Gun Value
MSRP:$731.00Used Est:$575.00
Last Update:9/27/2023
About the Gun

The model number 520 was used on two completely different revolvers produced 25 years apart. Since they share the same model number they are represented here as model variants. The first variant was originally designed in 1997 at the request of the New York State Police who were considering changing from the K-frame fixed sight Magnums to a similar gun in the N-frame size. About 3,000 were produced but in the end were not sold to the State Police. They were ultimately offered to the commercial market as the model 520. The second variant was introduced in 2005, and except for its barrel length, overall length and frame finish has nothing else in common with the original model 520. It is a 7-shot revolver built on an L-frame with a titanium cylinder.

Cartridge Specifications
Cartridge: .357 Magnum
Alias: .357 Smith & Wesson Magnum
More Info
Ballistics for This Gun
Selected Bullet Mass:158 grains
MV:1235 ft/sec ME:535 ft-lbs
About the Cartridge

Smith & Wesson introduced this cartridge for its heavy-frame revolver. Ammunition was developed by Winchester in cooperation with Smith & Wesson. Using a lengthened and strengthened version of the .38 Special case, the .357 Magnum was rapidly accepted by hunters and law enforcement. At the time of its introduction, it was claimed to easily pierce the body panels of automobiles and crack engine blocks. While it has less power than the .44 Magnum, it compares favorably to the 10mm Norma and .45 ACP, but with better armor penetration. Today factories offer over fifty different loadings in this caliber.

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