The P365-RAINBOW 380 is a compact, multi-color polymer frame designed for builders seeking a distinctive, reliable platform for a custom 380 ACP build. It’s for the shooter who values both performance and personalization in a carry-ready format. Since adding it to our catalog, this has become one of our most-reordered items—customers frequently come back for a second one.
Stand-Out Features
- Distinctive Multi-Color Finish: Features a unique, fade-style rainbow polymer coloration for a standout build.
- P365-Compatible Design: Engineered to work with Sig Sauer P365 380 ACP slides and internal components.
- Compact & Concealable: Maintains the proven, ergonomic profile of the P365 platform ideal for everyday carry.
- Durable Polymer Construction: Made from high-strength polymer for a lightweight yet robust frame.
- Jig-Included for Completion: Comes with the necessary jig for precise milling and finishing.
Technical Data
| Model | P365-RAINBOW 380 |
| Caliber | 380 ACP |
| Frame Material | Polymer (Multi-Color) |
| Compatibility | Sig Sauer P365 380 ACP |
| Weight (measured) | 3.0 oz |
| Finish | Integrated Polymer Color |
| Includes | Frame, Jig |
| FFL Required | Yes |
Your Questions Answered
What parts do I need to complete this?
You will need a complete P365 380 ACP slide assembly, a lower parts kit, a magazine, and a locking block. This is a frame only.
Is the color painted on or part of the polymer?
The rainbow fade is an integrated color within the polymer itself. It is not a surface coating or paint, offering better durability.
Do you ship to my state?
We ship to all 50 states. This item requires shipment to your local Federal Firearms License (FFL) holder for a legal transfer. You must comply with all state and local laws.
✅ Plain brown box — no markings
✅ Not happy? Return within 30 days.
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✅ Domestic shipping — no customs
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