The Sig Sauer P365: Comparing the Standard, SAS, and XL Models (2024)

The Sig Sauer P365: Comparing the Standard, SAS, and XL Models (1)
Which Sig P365 is right for you?

The P365 has been an industry leader for everyday carry and since 2018 and customers still can’t get enough of this high-capacity micro-compact striker-fire pistol and for good reason.

In 2018, the P365 was selected as Guns and Ammo Magazine’s Handgun of the Year, won the Industry Choice Award for Handgun of the Year, Ballistic Magazine’s Editor’s Choice for Compact Semi-Automatic Pistols, and the NASGW-POMA Caliber Award for Best Overall Product. In 2019, the P365 was selected as Shooting Illustrated Magazine’s Golden Bullseye winner for Handgun of the Year providing consumers with further evidence of the P365’s unequaled innovation, unparalleled quality, and unmatched reliability.

One of the most efficient carry 9mms on the market, Sig Sauer quickly capitalized on its popularity by offering additional models to customers eager for more. With several models readily available, which one is right for you?

We break them down to help you decide!

Tried and True: Standard P365

The most popular P365 is the base model also referred to as the P365 Nitron. This gun set a new bar not just for SIG, but for the firearms industry as a whole. The standard P365 is a micro-compact firearm with the ability to use 10, 12, and 15 round magazines.

The Sig Sauer P365: Comparing the Standard, SAS, and XL Models (4)

The P365 comes with a set of SIG night sights for low light performance. The P365 has a 3.1-inch barrel and an overall length of 5.8 inches, weighs a mere 17.8 ounces, and features a crisp 6-pound trigger pull. The P365 found a way to be that small and still have a flush-fitting ten-round magazine.

The small size of the standard model is easy to conceal and offers shooters excellent size and capacity for their shooting pleasure plus it has stood up to its share of tests, so you know it’s a reliable everyday carry gun. You can get it with a manual safety or without. It’s a bare-bones gun that does what 90% of shooters need it to do.

The Deep Concealment Model: P365 SAS

The P365 SAS is one of the most unique concealed carry guns on the market right now. The SAS moniker stands for SIG Anti Snag which is the designation given to SIGs with trimmed features and the P365 SAS took this moniker to the extreme.

The Sig Sauer P365: Comparing the Standard, SAS, and XL Models (5)

Gone are traditional sights, traditional slide lock, and takedown lever. This makes the weapon exceptionally small and snag-free. The P365 SAS has sights, but they are flush with the slide and is a rear sight only contraption known as the FT Bullseye sights.

On top of that, the barrel and slide are ported, and this system reduces muzzle rise and makes the weapon much more controllable. Other than those features, the P365 SAS is the same size and shape as the standard P365, but it’s snag-free snag-free.

The Big Brother: P365XL

>Riding in on the coattails of the micro compact P365 is the P365XL, which punched up the P365 size-wise. If you want a longer grip and a longer barrel, the P365XL is for you. The barrel is extended out to 3.7 inches and an overall length of 6.6 inches. The P365XL is designed to use the 12 round magazine as its flush-fitting choice and the 15 round as the extended option.

The Sig Sauer P365: Comparing the Standard, SAS, and XL Models (6)

The P365XL also added red dot capabilities. You can mount a micro red dot sight to improve your accuracy, your speed, and your effective range. SIG still includes their fantastic night sights if a red dot isn’t your thing. You also get a bit more sight radius, and that’s always desirable.

The XL is available in a manual safety or standard variant too. The P365XL is a bigger option for those that don’t fear size but still want an efficient size to capacity ratio.

Comparing the Specs

The Sig Sauer P365: Comparing the Standard, SAS, and XL Models (7)

SIG Sauer P365 Model Specs

Model

P365P365 SAS

P365 XL

Pistol Size

Micro-Compact

Micro-Compact

XSeries

Caliber

9mm

9mm

9mm

Capacity

10+1

10+1

12+1

Length

5.8”

5.8”

6.6”

Height

4.3”

4.1”

4.8”

Width

1.06”

1”

1.1”

Barrel

3.1”

3.1” ported

3.7”

Sights

X-RAY3 Day/Night Sights

FT Bullseye

Optic Ready w/X-RAY3

Safety

Manual Safety Avail

None

None

Weight

17.8 oz

17.8 oz

20.7 oz

Slide

Stainless w/Nitron

Stainless w/Nitron

Stainless w/Nitron

SKU

365-9-BXR3-1M

365-9-SAS-C-1M

365XL-9-BXR3-MS-1M

MSRP

$579

$579

$599

*Despite the basic 10+1 capacity for the original and SAS models and 12+1 capacity on the XL model, there are extended 12 and 15-round magazines available.

There are also a few other models to mention when it comes to arguably the most popular SIG concealed carry gun on the market today.

P365 XL Romeo Zero
The Sig Sauer P365: Comparing the Standard, SAS, and XL Models (8)

Essentially the P365 XL topped off with a Sig Sauer Romeo Zero 1x18mm Electro-Optic, the P365XL Romeo Zero is the perfect balance of micro-compact concealability with full-size shootability. The optic is fully adjustable for windage and elevation as well as intensity and the firearm features a notch in place of a rear site so if God-forbid the red dot doesn’t illuminate, you can co-witness through the optic with the front sight and the notched rear to acquire your target.

The P365 XL Romeo Zero has an MSRP of $679 and is a good option for anyone looking to add a red dot to their EDC.

The P365L

The P365L is an unofficial SIG I created using a standard P365 frame and the slide from an XL. This setup gives you a longer sight radius, optics options, and a short, easier to conceal frame. While it is a POP (Pike Original Pistol), you can find out how to make one of your own here.

The Sig Sauer P365: Comparing the Standard, SAS, and XL Models (9)

The P365 BB Gun

This isn’t a “real gun”, but it is a fun addition to your firearm collection. It works in all P365 holsters and is an excellent training tool. Learn more about how to train with it out here.

The Sig Sauer P365: Comparing the Standard, SAS, and XL Models (10)

SIG Out

The P365 changed the game, and the concealed carry world will never be the same. There are enough models to fill a GPS Range Bag. The industry is rushing to catch up, and I can’t wait to see what comes next. Until then, the P365L securely tucked into a Drop Slide is my go-to SIG.

What’s Yours?

Do you carry a P365? Which model do you carry and/or own? Is there one you’ve had your eye on and just haven’t pulled the trigger on buying yet?
The Sig Sauer P365: Comparing the Standard, SAS, and XL Models (11)

Sound off in the comments, we want to hear from you!

ABOUT THE AUTHOR:
The Sig Sauer P365: Comparing the Standard, SAS, and XL Models (12)

Travis Pike is a former Marine Machine gunner who served with 2nd Bn 2nd Marines for 5 years. He deployed in 2009 to Afghanistan and again in 2011 with the 22nd MEU(SOC) during a record-setting 11 months at sea. Travis has trained with the Romanian Army, the Spanish Marines, the Emirate Marines, and the Afghan National Army.

He serves as an NRA certified pistol instructor and pursues a variety of firearms based hobbies.

The Sig Sauer P365: Comparing the Standard, SAS, and XL Models (13)
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The Sig Sauer P365: Comparing the Standard, SAS, and XL Models (23)

The Sig P365 is a highly popular micro-compact striker-fire pistol that has gained a strong reputation in the industry. It has received several awards and accolades, which further demonstrate its innovation, quality, and reliability. In 2018, the P365 was named Guns and Ammo Magazine's Handgun of the Year, won the Industry Choice Award for Handgun of the Year, Ballistic Magazine's Editor's Choice for Compact Semi-Automatic Pistols, and the NASGW-POMA Caliber Award for Best Overall Product. In 2019, it was selected as Shooting Illustrated Magazine's Golden Bullseye winner for Handgun of the Year [[1]].

The Sig P365 comes in different models, each with its own unique features and characteristics. Let's break them down:

Standard P365 (P365 Nitron):

The standard P365, also known as the P365 Nitron, is the most popular model. It set a new standard not only for Sig Sauer but for the entire firearms industry. This micro-compact firearm has the ability to use 10, 12, and 15 round magazines. It features a 3.1-inch barrel, an overall length of 5.8 inches, and weighs only 17.8 ounces. The standard P365 comes with SIG night sights for low light performance and has a crisp 6-pound trigger pull. It offers excellent size and capacity for concealed carry and has proven to be a reliable everyday carry gun. It is available with or without a manual safety [[1]].

P365 SAS:

The P365 SAS (SIG Anti Snag) is a unique concealed carry gun. It is designed with trimmed features to make it exceptionally small and snag-free. The SAS model does not have traditional sights, slide lock, or takedown lever. Instead, it features flush FT Bullseye sights that are rear sight only. The barrel and slide are ported, reducing muzzle rise and improving controllability. Despite its small size, the P365 SAS offers the same dimensions as the standard P365. It is a great option for deep concealment [[1]].

P365XL:

The P365XL is the big brother of the micro-compact P365. It offers a longer grip and a longer barrel for those who prefer a larger size. The barrel is extended to 3.7 inches, and the overall length is 6.6 inches. The P365XL is designed to use a 12-round magazine as its flush-fitting choice and a 15-round magazine as the extended option. It also has the added capability of mounting a micro red dot sight for improved accuracy and speed. The P365XL is available with or without a manual safety [[1]].

P365XL Romeo Zero:

The P365XL Romeo Zero is essentially the P365XL model with a Sig Sauer Romeo Zero 1x18mm Electro-Optic. This combination offers the perfect balance of micro-compact concealability with full-size shootability. The optic is fully adjustable for windage, elevation, and intensity. The P365XL Romeo Zero features a notch in place of a rear sight, allowing for co-witnessing with the front sight in case the red dot doesn't illuminate. It is a great option for those looking to add a red dot to their everyday carry (EDC) setup [[1]].

P365L (Unofficial):

The P365L is an unofficial configuration created by combining a standard P365 frame with the slide from a P365XL. This setup provides a longer sight radius, optics options, and a shorter, easier-to-conceal frame. While it is not an official Sig Sauer model, it offers a unique combination of features for those who want a customized setup [[1]].

P365 BB Gun:

The P365 BB Gun is not a real firearm but a fun addition to your collection. It is designed to work with all P365 holsters and serves as an excellent training tool [[1]].

These are the main models of the Sig P365, each offering its own advantages and features. The P365 has truly changed the game in the concealed carry world, and its popularity continues to grow. The industry is constantly evolving, and it will be interesting to see what Sig Sauer and other manufacturers come up with next [[1]].

The Sig Sauer P365: Comparing the Standard, SAS, and XL Models (2024)
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