SIG Sauer P365XL
- Category
- Pistol
- Barrel
- 94 mm
- Weight, empty
- 587 g
- Introduced
- 2019
About
What it is, and why it matters
The SIG Sauer P365XL is a semi-automatic pistol chambered in 9x19mm Parabellum, produced by SIG Sauer, Inc. since 2019. This American-manufactured firearm reflects the engineering traditions and quality standards of its country of origin, designed to meet the demands of both civilian and professional users in a competitive global marketplace. Featuring a 12-round magazine capacity, this pistol offers adequate firepower for defensive carry. The striker-fired action provides a consistent trigger pull for every shot, simplifying training and reducing the manual of arms - a design philosophy that has become the dominant paradigm in modern defensive handguns. The 3.7-inch barrel provides an excellent balance between sight radius and portability, making it equally suitable for duty carry and recreational shooting. At 587g (20.7 oz) unloaded, this lightweight firearm is optimized for comfortable all-day carry without creating undue fatigue or printing concerns. The polymer frame construction reduces weight while providing a textured, ergonomic grip surface designed for secure handling in all conditions. This firearm represents its manufacturer's commitment to delivering a well-engineered, reliable product that serves the needs of discerning shooters seeking quality, accuracy, and dependable performance from a proven platform.
The P365XL was created to bridge the gap between micro-compact concealment and compact shootability. Its Spectre Comp variant integrates a compensator directly into the slide, reducing muzzle flip by approximately 30 percent without adding any length beyond the standard slide.
The P365XL shares magazine compatibility with the standard P365, though P365XL magazines are taller and will protrude from the standard P365 grip. The Spectre Comp variant features an integrated compensator built into the slide that reduces muzzle flip by approximately 30 percent without adding length beyond the standard slide. The optics-ready slide accepts the Shield RMSc footprint (also compatible with SIG's ROMEO-X Compact). A manual safety version is available for markets and users that prefer an external safety lever. The P365 platform has become one of the best-selling handgun families in U.S. history.
Specification
Everything measured
IdentityWhat it is, who built it and when.
- Manufacturer
- SIG Sauer
- Category
- Pistol
- Country
- United States
- Status
- In production
- Produced
- 2019
- Variant of
- Extended
DimensionsAs issued, without a magazine or an optic.
- Barrel
- 94 mm
- Overall length
- 168 mm
- Height
- 122 mm
- Width
- 28 mm
- Sight radius
- 142 mm
- Weight, empty
- 587 g
- Weight, loaded
- 747 g
ActionHow it cycles, what trips it, and what feeds it.
- Action
- Short recoil
- Firing mechanism
- Striker fired
- Trigger
- Single stage
- Trigger pull
- 26.0 N
- Capacity
- 12
- Magazine
- Detachable box
MaterialsEach swatch is the material itself, not a colour chosen to stand for it.
- Frame
- Polymer
- Slide
- Stainless steel
- Barrel
- Steel
- Finish
- Nitron
BallisticsFrom the service cartridge, not a handload.
- Muzzle velocity
- 350 m/s
- Muzzle energy
- 457 J
- Effective range
- 35 m
- Maximum range
- 1500 m
Trajectory
What the round does downrange
Solved from the muzzle figures and the bullet. The dashed rule is the effective range on the record, and the crosses are the steps the solver returned.
Features
What it has
What the record lists as fitted, drawn from the catalogue.
Xray3 day night sights
Optics ready slide
Flat trigger
Integrated magwell
Extended beavertail
Sig accessory rail
Front slide serrations
Rear slide serrations
Standing
How it compares
Each figure against the firearms of the same type and cartridge that record it, or of the same type where that cartridge has too few. Positions are read to the nearest tenth.
| Measurement | This firearm | Median | Position |
|---|---|---|---|
| Empty weightAmong 560 9x19mm Parabellum pistols | 587 g | 765 g | Lighter than about 90% |
| Overall lengthAmong 559 9x19mm Parabellum pistols | 168 mm | 191 mm | Shorter than about 90% |
| Barrel lengthAmong 569 9x19mm Parabellum pistols | 94 mm | 105 mm | Shorter than about 80% |
| Magazine capacityAmong 571 9x19mm Parabellum pistols | 12 | 15 | Holds fewer rounds than about 70% |
Answers
Questions about the SIG Sauer P365XL
How much does the SIG Sauer P365XL weigh?
The SIG Sauer P365XL weighs 587 g (1.29 lb) empty and 747 g (1.65 lb) loaded.
What caliber is the SIG Sauer P365XL?
The SIG Sauer P365XL is chambered in 9x19mm Parabellum.
How many rounds does the SIG Sauer P365XL hold?
The SIG Sauer P365XL holds 12 rounds, fed from a detachable box magazine.
How long is the SIG Sauer P365XL?
The SIG Sauer P365XL is 168 mm (6.61 in) long overall, with a 94 mm (3.70 in) barrel.
Who makes the SIG Sauer P365XL?
The SIG Sauer P365XL is made by SIG Sauer (Germany).
When was the SIG Sauer P365XL introduced?
The SIG Sauer P365XL was introduced in 2019.
How does the SIG Sauer P365XL operate?
The SIG Sauer P365XL uses a short recoil action, and its firing mechanism is striker fired.
Compatibility
Which parts fit this firearm
Studio
Every part that mounts on this, resolved
Not a list the maker typed out: the answer comes from the mounts this firearm exposes and the interface each part needs, so it stays right when either one changes.
- Every part that mounts on any firearm in the catalogue
- Interface standards, platforms and fit overrides
- The same answers through the API and the MCP server
Requires a signed-in GunSpec account on the Studio plan. The answer is computed per part, so it is not part of the public record.
Provenance
What the record holds
Every figure above was taken from one of these pages. The confidence reflects how much of the record came from a page a claim can be checked against.
In service
- U.S. Civilian Concealed Carry Market
- 2019
Provenance
Confidence in this record
85%
Stockists
Where to buy
Offers link straight to the shop. GunSpec never takes the order.
No shop has listed this firearm yet
Stock and prices come from the shops themselves. If you sell this firearm, you can list it and it appears here.
List a firearmMCP
Ask an assistant about it
The same record, reached the way a person asks for it rather than the way a program does.
Ask GunSpec
Works with
Point an MCP client at GunSpec and it answers from the catalogue rather than from memory. A free key covers the read tools.
API
The call that returns this record
The same fields, in the same units, from the same endpoint the page reads.
curl --request GET \ --url 'https://api.gunspec.io/v1/firearms/sig-sauer-p365xl' \ --header 'X-API-Key: your_key'{ "id": "sig-sauer-p365xl", "name": "SIG Sauer P365XL", "manufacturer": { "id": "sig-sauer", "name": "SIG Sauer", "countryCode": "DE", "foundedYear": 1985, "website": "https://www.sigsauer.com", "logoUrl": null, "description": null, "status": null, "defunctYear": null, "stateOwned": null, "makesFirearms": null, "parentId": null, "predecessorId": null, "createdAt": "2026-02-11 23:44:40", "updatedAt": "2026-02-18 03:40:48", "version": "944f4088befdcee3b0aa7caf122998351ef3d78abc525a2bdec9df81e65a6b30" }, "category": { "id": "pistol", "name": "Pistol", "description": "Handguns designed to be fired with one or two hands" }, "country_of_origin": "US", "year_introduced": 2019, "barrel_length_mm": 94, "weight_empty_g": 587, "action_type": "short_recoil"}