SIG Sauer P365-XMACRO COMP Cal-X Kit – 9mm, 3.1", Black, (2) 17rd (8901443)
This is the factory P365-XMACRO COMP CAL-X Kit — everything SIG Sauer lists to convert a P365 to a P365-XMACRO COMP. You get the integrated compensated Nitron slide, a 9mm 3.1-inch barrel, XRAY3 day/night sights (3-dot tritium), a removable sight plate with the Compact Shield RMS-c optic cut, the XMACRO grip module with a true 1913 Picatinny rail, the recoil assembly, and two 17-round 9mm steel magazines. SIG Sauer part number 8901443, UPC 798681680207.
This listing is for the P365-XMACRO COMP Cal-X Kit (9mm, 3.1", Black, 2x17, part 8901443) only.
Integrated Comp Slide, XMACRO Grip
SIG Sauer calls this a complete caliber X-CHANGE kit. The slide is an integrated compensated assembly finished in Nitron. The grip is the XMACRO module with a full-size 1913 Picatinny accessory rail — not a proprietary stub rail.
Sights and Optic Cut
- XRAY3 day/night sights — SIG’s 3-dot tritium system
- Removable sight plate with Compact Shield RMS-c optic-cut footprint
- SIG Sauer lists the kit as optic ready
What Comes in the Kit
- Complete integrated compensated slide assembly, Nitron finish
- 9mm 3.1-inch barrel
- XRAY3 day/night sights
- Recoil assembly
- XMACRO grip module with 1913 Picatinny rail
- (2) 17-round 9mm steel magazines
SIG Sauer notes: this grip module is not cut to accommodate manual-safety Fire Control Units (FCU). Spec table lists Manual Safety: No.
SIG Sauer P365-XMACRO COMP Cal-X Kit Specifications
| Manufacturer | SIG Sauer |
| Model | P365-XMACRO / P365-XMACRO COMP Cal-X Kit |
| Part Number | 8901443 |
| UPC | 798681680207 |
| Category | Conversion Kits |
| Caliber | 9mm Luger |
| Barrel Length | 3.1 in (78.74 mm) |
| Threaded Barrel | No |
| Recoil Assembly Included | Yes |
| Sights | XRAY3 Day/Night (3-dot tritium) |
| Optic Ready | Yes — Compact Shield RMS-c footprint |
| Magazines Included | (2) 17-round steel, 9mm |
| Grip Module | XMACRO with 1913 Picatinny rail |
| Color | Black |
| Manual Safety | No (grip not cut for MS FCU) |
Frequently Asked Questions
Is this a complete pistol?
No. It is a CAL-X / X-CHANGE conversion kit. You supply a compatible non-manual-safety P365 FCU.
What caliber and capacity?
9mm Luger with two 17-round steel magazines included per SIG Sauer.
Does the slide have a compensator?
Yes. SIG Sauer describes a complete integrated compensated slide assembly with Nitron finish.
What optic footprint is cut into the slide?
SIG Sauer lists a removable sight plate with the Compact Shield RMS-c optic-cut footprint.
Will a manual-safety FCU fit this grip?
No. SIG Sauer states the XMACRO grip module in this kit is not cut for manual-safety FCUs.
Internal Reference:
8901443
Barcode:
798681680207
| Brand: Sig Sauer |
| Model: P365, P365 X-Macro |
| Caliber: 9mm |
| Capacity: 17 |
| Part Type: Conversion Kit |
| Firearm Action: Semi-auto |
| Barrel Length: 3" - 4", 3" |
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This item cannot be shipped to the following locations due to legal or carrier restrictions:
Restriction Details
This product cannot be sold or shipped to your location due to magazine capacity restrictions. Magazine capacity cannot exceed 10rd. If you believe this to be incorrect or if you're exempt from the restriction, please contact us at 636-791-1655.
Affected States/Territories (10):
Restriction Details
Colorado prohibits magazines with a capacity exceeding 15rd. If you believe this is in error or if you are exempt from the restriction, please contact us at 636-791-1655.