Selected Handgun Detail

Smith & Wesson
Model M&P
Smith & Wesson Pistol M&P 357 SIG Variant-1
Scale To:
Gun Dimensions Width:1.2-in
Length:7.5-in Height:5.5-in
Barrel:4.25-in Weight:27.45-oz
1 Variant
Gun Rankings
  • Power Factor (125 grain bullet)171375
  • Recoil Factor (125 grain bullet)9.02 ft-lb
  • Total Capacity16 rounds
  • ConcealabilityGood
  • Defense Factor89%
Gun Specifications
Type:Pistol
Caliber:357 SIG
Action:recoil operated semi-automatic
Trigger:striker single-action (SA)
Safety:passive trigger safety
Magazine:15-round
Frame:Zytel polymer
Grip:integrated polymer
Sights:ramp front, Novak Lo-Mount rear
Notes:interchangeable grip inserts
Manufacturer
Smith & Wesson
More Info
About the Gun

While not their first endeavor into polymer frame striker-fired pistols, Smith & Wesson's M&P features many design improvements over their lower cost Sigma series pistols. These features include an improved trigger action, field interchangeable palm swells, black Melonite finished stainless steel barrel and slide with twin scalloped slide serrations, a Zytel polymer frame reinforced with a stainless steel chassis, and an accessory rail.

Production

Production of this firearm began in 2005/2006 and ran until 2016/2017.

Market value
Last updated: 2/20/2026

MSRP during production was around $700. Used examples in good to excellent condition are currently valued at $500-$600.

Cartridge Specifications
Cartridge: 357 SIG
Alias: N/A
More Info
Ballistics for This Gun
Selected Bullet Mass:125 grains
MV:1371 ft/sec ME:522 ft-lbs
Analysis

The .357 SIG original M&P delivered high velocity and penetration potential suited to specific law enforcement needs, with some agencies adopting it or converting from .40 S&W via barrel changes. Production remained lower due to factors like ammunition expense, recoil characteristics, and limited overall market preference, resulting in its discontinuation from standard catalogs while limited availability persisted in certain channels.

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