Are P365 and P365XL parts interchangeable?

Some parts like triggers and internal components are interchangeable, but grip modules and slides are model-specific. Always check product compatibility before buying.

Can I install Sig P365 parts without a gunsmith?

Yes, most P365 and P365XL parts are drop-in compatible and require no gunsmithing. You can replace grips, slides, and triggers at home with minimal tools.

Do you carry manual safety-compatible parts?

Yes, we carry grip modules and other parts that are compatible with manual safety P365 fire control units. Be sure to check the product description for fitment notes.

What are the best upgrades for the Sig P365?

Top upgrades include trigger kits, custom grip modules, threaded barrels, optic-ready slides, and performance recoil assemblies to enhance accuracy and handling.

Sig P365 & P365XL Parts – Upgrade Kits & Replacement Components

Sig P365 & P365XL Slide

Sig P365 & P365XL barrel

Sig P365 Fire Control Unit

Sig P365 Grip Module

Sig P365 Parts

P365XL Parts

**Radian Aftrbrnr Ramjet P365xl Brnz** $409.95

**Radian Aftrbrnr Ramjet P365xl Blk** $389.95

**Radian P365 Xmacro Backstrap+mw Brnz** $162.00

**Radian Aftrbrnr Ramjet Sig P365 Brnz** $409.95

**Radian Afterburner Ramjet For P365** $389.95

**Sig Grip Mod P365xl Ms 9mm Coy** $83.01

**Sharps Grip For P365x Mcro Fde/wenge** $321.05

**Sharps Grip For P365x/xl Fde/wenge** $299.20

**Sharps Bros G2 Grip Module for Sig P365X / P365XL – Midnight Bronze with Black Aluminum G10 Panels** $311.55

**Sharps Grip For P365/xl W/sfty Chry** $299.20

**Sharps Grip For P365/xl Blk/cherry** $299.20

**Rival Arms Slide Sig P365 A1 Rms Blk** $399.99

**Sig Grip Mod P365xl Ms 9mm Blk** $83.01

**P365 Standard Gray Grip Module** $65.54

**Trijicon RMRcc Pistol Dovetail Mount for SIG Sauer P365** $84.93

**Zaffiri Precision RTS Sig P365XL ZPS.2 Slide RMSc Cut** $329.99

Sig P365 & P365XL Parts – Custom Upgrades for Every Build

Whether you're improving your factory Sig P365 or building a full custom P365XL from the ground up, this is your one-stop shop for high-quality parts and upgrades. From grip modules and trigger kits to barrels, recoil assemblies, and slides, everything here is precision-fit, drop-in compatible, and trusted by professional shooters and everyday carriers alike.

🔧 P365 Performance Parts That Fit – No Gunsmithing Needed

The modular design of Sig Sauer’s P365 series makes it easier than ever to upgrade or replace parts. Most of the products we offer are drop-in ready — no special tools or modifications required.

Popular P365/P365XL Parts Available:

OEM and custom grip modules (manual safety and non-safety)
Enhanced trigger kits for better feel and shorter reset
Threaded and match-grade barrels for standard and XL slides
Recoil assemblies for smoother cycling and reduced muzzle rise
Custom optics-ready slides – including RMR-cut, windowed, and ported options
Magazine wells, takedown levers, slide releases, and more

⚙️ Compatible With OEM & Custom Fire Control Units

Every part on this page works with Sig’s P365 fire control unit (FCU), making it easy to:

Build a pistol from serialized frames
Replace worn OEM parts with enhanced versions
Customize your EDC or competition build
Convert between P365, P365X, P365XL, and XMacro-style setups

🧠 P365 vs P365XL: Know What Fits

P365 parts fit the standard-length slide and grip module
P365XL parts are compatible with longer slides and full-size grips
Manual safety grip modules must match safety-style FCUs
Slides, triggers, and internals can often cross between models — check product notes or contact us for fit guidance

🔥 Popular Upgrades for Your Build

Sharps Bros aluminum grip modules
Zaffiri & True Precision slides
Radian Ramjet barrels
Custom Cerakote slides
Recoil systems optimized for carry ammo
Trigger kits with flat or curved faces

All parts are sourced from trusted brands and engineered for reliability and compatibility with your Sig build.

💡 Why Choose Mounts Plus?

We know Sig parts — and we stock only what works. Every product is:

Backed by performance-focused brands
Ready to ship from our Florida warehouse
Supported by real shooters who know what fits and what works

If you're upgrading for carry, competition, or a clean new build, we’ve got the P365 parts you need and the support to back them up.

🛠️ Build Your Custom Sig P365 Today

From minimalist EDC setups to aggressive compensated builds, we make it easy to personalize your Sig P365 or P365XL. All parts on this page are chosen for precision, performance, and fitment — so you can build with confidence.

Sig P365 & P365XL Parts – Upgrade Kits & Replacement Components | Mounts Plus