Selected Handgun Detail

SIG
Model P320 Carry Nitron
SIG Pistol P320 Carry Nitron 357 SIG Variant-1
Scale To:
Gun Dimensions Width:1.4-in
Length:7.2-in Height:5.5-in
Barrel:3.9-in Weight:27-oz
1 Variant
Gun Rankings
  • Power Factor (125 grain bullet)167625
  • Recoil Factor (125 grain bullet)8.86 ft-lb
  • Total Capacity15 rounds
  • ConcealabilityGood
  • Defense Factor87%
Gun Specifications
Type:Pistol
Caliber:357 SIG
Action:recoil operated semi-automatic
Trigger:striker single-action (SA)
Safety:no manual safety
Magazine:14-round
Frame:black polymer
Grip:integrated polymer
Sights:SIGLITE night sights
Notes:Nitron finish slide, accessory rail
Manufacturer
SIG SAUER GmbH & Co. KG
More Info
About the Gun

The P320 Carry Nitron is a medium-size, striker-fired polymer pistol that pairs a compact-length slide and 3.9-inch barrel with a full-size grip frame. This combination provides the higher capacity and more substantial grip of a full-size frame while keeping overall length closer to a compact. It features a Nitron-finished stainless steel slide, an accessory rail, and was offered with either steel contrast or SIGLITE night sights. The model was available in 9mm, .40 S&W, and .357 SIG.

Production

Production began in 2014 and ran into the late 2010s.

Market value
Last updated: 7/24/2026

MSRP at production was around $600–$700. Current used market value for examples in good to very good condition ranges $300–$450.

Cartridge Specifications
Cartridge: 357 SIG
Alias: N/A
More Info
Ballistics for This Gun
Selected Bullet Mass:125 grains
MV:1341 ft/sec ME:499 ft-lbs
Analysis

SIG introduced the Carry size early in the P320’s production run as a practical middle ground between full-size duty pistols and more compact options. By combining the full-size grip (and its capacity) with a shorter slide, the design addressed demand for a concealable yet controllable pistol that still offered substantial firepower. The modular fire-control unit allowed easy caliber and size changes, which was a key selling point when the platform launched in 2014. Over time, the classic Nitron Carry configuration was largely superseded by X-Series and other upgraded variants as SIG refined the ergonomics and features of the line. The .40 S&W and .357 SIG versions saw shorter production lives as market preference shifted strongly toward 9mm.

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