The P365-FUSE is a compact, serialized pistol frame designed for builders who want a factory-compatible upgrade path for their P365 components. It’s for the shooter who values a clean, modern grip module with enhanced texture and a flat-faced trigger shoe, built on a reliable, serialized foundation. We’ve stocked this since Q4 2025, and it’s become a consistent repeat-purchase item for our customers.
Stand-Out Features
- Serialized Frame: A complete, ready-to-build serialized frame. Ships to your FFL for transfer.
- Enhanced Grip Texture: Aggressive texturing on the front, back, and sides provides a secure, non-slip hold.
- Flat-Faced Trigger: Includes a flat-faced trigger shoe for a consistent, predictable pull.
- Factory Compatibility: Engineered to accept standard Sig Sauer P365 FCU, slides, and barrels.
- Proven Reliability: Our staff notes we’ve had zero warranty claims on this product in over a year of selling it.
Technical Data
| Model | P365-FUSE |
| Compatibility | Sig Sauer P365 |
| Frame Material | Polymer |
| Trigger | Flat-Faced |
| Grip Texture | Enhanced, Full Coverage |
| Weight (measured) | 2.5 oz |
| FFL Required | Yes, Serialized Frame |
| Includes | Frame, Trigger Shoe, Pins |
Your Questions Answered
Is this a complete firearm?
No. The P365-FUSE is a serialized pistol frame, which is classified as a firearm and requires an FFL transfer. You will need to source a P365 Fire Control Unit (FCU), slide, barrel, and other components to build a complete, functional pistol.
What parts do I need to complete this build?
You will need a Sig Sauer P365 FCU (Fire Control Unit), complete slide assembly (including barrel, recoil spring), and a magazine. All other pins and the trigger shoe are included with the frame.
How does the FFL transfer process work?
During checkout, you will select your local FFL dealer from our network or provide their information. We ship the serialized frame directly to them. You complete the standard Form 4473 and background check with your FFL to take possession.
✅ Plain brown box — no markings
✅ Not happy? Return within 30 days.
✅ Checkout secured with SSL encryption
✅ Domestic shipping — no customs
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