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SIG SAUER P365 X-MACRO 9mm 3.7″ Optic Ready Pistol, 17+1, 2 Mags

UPC: 798681671205

$729.99

17 in stock

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Description

When SIG rolled out the P365 X-MACRO, it answered the question a lot of carriers had been asking for years: why can't I get real capacity without hauling around a full-size pistol? This version, model 365XCA-9-BXR3, delivers 17+1 rounds of 9mm in a frame that's still barely over an inch wide. The clever double-stack magazine design is what makes it work, letting two flush-fit 17-round steel mags ride in a grip that feels closer to a micro-compact than anything holding this much ammo has a right to.

What Sets the P365 X-MACRO Apart

The Macro-Compact grip module is the star here. It gives your support hand real estate to lock in, and the flared magwell makes reloads quick and forgiving. Three interchangeable backstraps in small, medium, and large come in the box, so you can dial the grip to your hand instead of adapting to the gun. Up front you get a standard 1913 accessory rail, which means your weapon light options are wide open rather than limited to proprietary mounts. The 3.7 inch barrel sits under a non-ported XSeries slide with front and rear serrations, finished in tough Nitron.

Sights, Optics, and Everyday Use

X-RAY3 day/night sights come standard, giving you a bright front dot in daylight and tritium glow after dark. When you're ready to run a red dot, the slide is cut for RMSc footprint optics like the ROMEOZero Elite or Holosun EPS Carry, no adapter plates needed. The striker-fired action breaks with a clean, flat trigger that helps this pistol shoot noticeably flatter than its size suggests.

Why the X-MACRO Earns Its Spot

At roughly 22 ounces unloaded, this is a gun you can carry all day and still shoot well at the range on the weekend. It holds its own against compact duty pistols in capacity while concealing in a smaller footprint, which is exactly why the X-MACRO has become one of the most popular carry pistols going. Built in Newington, New Hampshire, and backed by SIG's reputation for reliability, it's a hard package to argue with.

Key Specifications

  • Model: P365 X-MACRO
  • Manufacturer Part Number: 365XCA-9-BXR3
  • UPC: 798681671205
  • Caliber: 9mm Luger
  • Capacity: 17+1
  • Action: Striker Fired
  • Barrel Length: 3.7"
  • Overall Length: 6.6"
  • Weight (Unloaded): Approx. 22 oz
  • Sights: X-RAY3 Day/Night Sights
  • Slide: XSeries Optic Ready, Nitron Finish, Non-Ported
  • Optic Footprint: RMSc (ROMEOZero Elite compatible)
  • Grip Module: Macro-Compact with 1913 Accessory Rail
  • Frame Color: Black
  • Magazines: 2 x 17-Round Steel with High-Visibility Followers

What’s Included

  • SIG SAUER P365 X-MACRO pistol
  • Two 17-round steel magazines with high-visibility followers
  • Interchangeable backstraps (small, medium, large)
  • Owner's manual

Frequently Asked Questions

Does the P365 X-MACRO come optic ready, and what red dots fit it?

Yes, the XSeries slide is cut for direct mounting of RMSc footprint optics, so no adapter plate is required. Popular options include the SIG ROMEOZero Elite, Holosun EPS Carry, and similar micro red dots. The X-RAY3 iron sights remain usable as a backup with most low-profile optics.

Is this X-MACRO the compensated version?

No, this model (365XCA-9-BXR3) has a non-ported slide with a 3.7 inch barrel. SIG offers a separate X-MACRO COMP variant with an integrated compensator and 3.1 inch barrel. Many folks prefer this standard version for the extra barrel length and simpler cleaning routine, and it still shoots impressively flat for its size.

Will holsters for the standard P365 or P365 XL fit the X-MACRO?

Generally no. The Macro-Compact grip module and slide dimensions differ enough that you'll want a holster molded specifically for the X-MACRO. The good news is the platform is popular enough that just about every major holster maker offers a dedicated fit for it.

How does the SIG P365 X-MACRO compare in size to a Glock 19?

It matches the Glock 19's 15+1 capacity and then adds two more rounds, all in a noticeably slimmer package at just over an inch wide. Overall length is about 6.6 inches and unloaded weight runs around 22 ounces, so it conceals easier while giving up nothing in round count. That combination is a big part of why it's become such a popular carry choice.

Additional information

UPC

798681671205

Manufacturer

Manufacturer Part Number

365XCA-9-BXR3

Action

ATF Type

Pistol

Barrel Finish

Black

Barrel Length

3.7''

Caliber/Gauge

9mm

Capacity

17+1

Color

Black

Length

6.6''

Magazine Included

2 x 17-Round

Model

Number of Magazines

2 17 rd. Steel Magazines

Package Height

2.5

Package Width

7.0

Product Type

Striker Fired

Safety

No

Shipping Weight

2.6

Sights

Night Sights

Sights Type

Night Sights

Slide Description

Optic Ready/Serrated

State Restriction (CA)

NO DIRECT SHIP TO CALIFORNIA

State Restriction (IL)

NO SALE TO ILLINOIS PICA

State Restriction (OR)

NO SALE TO OREGON

State Restriction (RI)

NO DIRECT SHIP TO RHODE ISLAND

State Restriction (WA)

NO DIRECT SHIP TO WASHINGTON

Units per Box

1

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