Selected Handgun Detail

SIG
Model P239 DAK
SIG Pistol P239 DAK .40 S&W Variant-2
Scale To:
Gun Dimensions Width:1.2-in
Length:6.6-in Height:5.2-in
Barrel:3.6-in Weight:29-oz
Variant 2 of 2
Gun Rankings
  • Power Factor (180 grain bullet)175320
  • Recoil Factor (180 grain bullet)7.42 ft-lb
  • Total Capacity8 rounds
  • ConcealabilityGood
  • Defense Factor79%
Gun Specifications
Type:Pistol
Caliber:.40 S&W
Action:recoil operated semi-automatic
Trigger:SIG DAK double-action only
Safety:no manual safety
Magazine:7-round
Frame:aluminum alloy
Grip:black polymer
Sights:SIGLITE night sights
Notes:two-tone, natural stainless slide
Manufacturer
SIG SAUER GmbH & Co. KG
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About the Gun

The P239 DAK is a compact, single-stack pistol with a stainless steel slide over an aluminum alloy frame. It uses SIG’s traditional controls adapted for the DAK trigger system, which provides a consistent, longer double-action pull throughout the trigger stroke. The model is offered in 9mm, .40 S&W, and .357 SIG, with SIGLITE night sights as the standard sighting option and polymer grips.

Production

No current information.

Market value
Last updated: 7/1/2026

No current information.

Cartridge Specifications
Cartridge: .40 Smith & Wesson
Alias: N/A
More Info
Ballistics for This Gun
Selected Bullet Mass:180 grains
MV:974 ft/sec ME:379 ft-lbs
Analysis

The DAK (Double Action Kellermann) trigger system was developed for the P239 as a law-enforcement-oriented option that delivers a consistent, longer double-action pull throughout the trigger stroke. This design responded to agency and user feedback favoring simplicity and predictability in high-stress situations, avoiding the double-to-single action transition found in traditional DA/SA models. The P239 DAK was offered alongside standard DA/SA versions and remained in production until the platform ended in 2018, maintaining the same compact single-stack design across 9mm, .40 S&W, and .357 SIG while offering a distinct trigger characteristic preferred by some departments and shooters.

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