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SIG Model P320 Compact
Scale To:
Gun Dimensions		Width:	1.4-in
Length:	7.2-in	Height:	5.3-in
Barrel:	3.9-in	Weight:	25.8-oz
Variant 5 of 5

Gun Rankings
Power Factor (124 grain bullet)141732 Recoil Factor (124 grain bullet)5.3 ft-lb Total Capacity16 rounds ConcealabilityGood Defense Factor86%

Gun Specifications
Type:	Pistol
Caliber:	9 mm
Action:	recoil operated semi-automatic
Trigger:	striker single-action (SA)
Safety:	no manual safety
Magazine:	15-round
Frame:	FDE polymer
Grip:	integrated polymer
Sights:	SIGLITE night sights
Notes:	FDE finish slide

Manufacturer
	SIG SAUER GmbH & Co. KG More Info

About the Gun

The P320 is a polymer-framed service pistol designed with the input of law enforcement officers. The result is an operator-safety focused striker duty pistol. Taking into account the concerns of military and police training officers, the P320 does not require the operator to pull the trigger nor use a special tool to take-down the firearm for cleaning or routine maintenance. It features a modular grip frame and removable fire control assembly, interchangeable grip panels, lower Picatinny rail, front and rear slide serrations.

Production

Production ran from 2014 through 2019.

Market value

Last updated: 7/25/2026

The MSRP for this gun is approximately $679.99 based on 2024-2025 data. Used market value in 95% condition ranges from $450 to $550, reflecting current online auction and valuation trends.

Cartridge Specifications
Cartridge:	9 mm Luger
Alias:	9 mm Parabellum
More Info

Ballistics for This Gun
Selected Bullet Mass:		124 grains
MV:	1143 ft/sec	ME:	360 ft-lbs

Analysis

SIG introduced the Compact size early in the P320’s commercial run to provide a more concealable alternative to the full-size and Carry configurations while preserving the platform’s modularity. The shorter grip module and matching slide length addressed demand for a duty-capable pistol better suited to everyday carry and smaller-handed shooters. Over time the lineup narrowed from four calibers to a primary focus on 9mm, with .40 S&W and .357 SIG discontinued around 2020 and .45 ACP continuing only in limited form. Concurrently the classic non-optic 9mm Nitron model transitioned toward an optic-ready slide, reflecting broader market movement toward red-dot compatibility. A manual-safety version briefly appeared mainly in 9mm. The Compact remains one of the core size options in the P320 family, bridging the gap between full-size control and more compact dimensions.

User Rating

2	User Ratings
1	User Comments

User Comments

Good option for a beginner, only a couple of downs
By The5thColumnRed on 18 Feb 2025
Very accurate and easy to operate and maintain right out of the box. The field strip process and overall layout is simple to understand and execute. The sights aren’t the greatest out of the factory but highly functional and are replaceable. A huge pro is the modular configuration. Personalizing the pistol to your preferences and needs is stupid easy. While the pistol has a relatively high bore axis, the recoil impulse isn’t unacceptably high and the gun returns to zero very well. I’ve personally found this gun easy to shoot accurately and quickly with relatively low effort and proper grip. One should note the sights are zeroed for a combat hold from the factory (equal height on posts, align front post directly with target point of impact within 10 meters, although personal observation has found the sights accurate with this same alignment out to 20 meters, tested with 124 grain standard pressure Speer Gold Dot). Speaking of, this is not at all a picky gun.