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Availability: In Stock
If you carry a Sig Sauer P365 and want a lighter-recoiling option without buying a second gun, the Sig Sauer P365 Caliber Exchange Kit in 380 ACP is your answer. This complete conversion kit transforms your existing P365 into a dedicated 380 ACP pistol—perfect for shooters who prefer a softer shooting experience for practice, reduced recoil training, or simply want to run cheaper ammunition without sacrificing the ergonomics and manual controls they already know. It's the cost-effective way to add caliber versatility to a pistol platform you already trust.
The kit arrives with everything you need: a complete slide assembly finished in black nitride, a 3.10-inch barrel, SigLite night sights for low-light shooting, a grip module, and a single 10-round steel magazine. Simply swap the upper assembly and you're running 380 ACP. Nitride-finished steel resists corrosion and wear, and those tritium-powered night sights mean you're ready to shoot in dim conditions without reaching for a light. The polymer frame keeps weight down while the slide and barrel deliver the durability Sig is known for.
This kit works with the standard P365, P365X, and P365XL platforms, so if you own any of those variants, you can make the conversion. The 10-round capacity balances shootability with practical carry loads for the 380 cartridge. Whether you're a competitive shooter looking for a softer practice rig, a hunter who wants reduced recoil for extended range sessions, or just someone curious about running a lighter cartridge through a trusted platform, this caliber exchange kit keeps everything familiar while giving you a new tool.
| Manufacturer | Sig Sauer |
| Model Compatibility | P365, P365X, P365XL |
| Caliber | 380 ACP |
| Barrel Length | 3.10 inches |
| Magazine Capacity | 10 rounds |
| Magazines Included | 1 × 10-round steel magazine |
| Sights | SigLite night sights |
| Slide Finish | Black nitride |
| Frame Material | Polymer |
This kit is compatible with the standard P365, P365X, and P365XL. You'll be swapping the slide and barrel assembly, so any of those three frame generations will accept it.
You get a complete slide assembly with black nitride finish, a 3.10-inch 380 ACP barrel, SigLite night sights, a grip module, and one 10-round steel magazine. Everything needed to convert your P365 to 380 ACP is in the box.
Yes. The 380 ACP cartridge generates less recoil energy than 9mm, making this kit a good choice for shooters seeking a softer shooting experience or extended training sessions with reduced hand fatigue.
The kit includes a 10-round 380 ACP magazine. We recommend using magazines designed for the 380 cartridge to ensure reliable feeding and performance.
SKU: 115860631 • Width: 10.7in • Height: 3.4in • Depth: 11.5in • Weight: 1.42oz
Availability: In Stock
If you carry a Sig Sauer P365 and want a lighter-recoiling option without buying a second gun, the Sig Sauer P365 Caliber Exchange Kit in 380 ACP is your answer. This complete conversion kit transforms your existing P365 into a dedicated 380 ACP pistol—perfect for shooters who prefer a softer shooting experience for practice, reduced recoil training, or simply want to run cheaper ammunition without sacrificing the ergonomics and manual controls they already know. It's the cost-effective way to add caliber versatility to a pistol platform you already trust.
The kit arrives with everything you need: a complete slide assembly finished in black nitride, a 3.10-inch barrel, SigLite night sights for low-light shooting, a grip module, and a single 10-round steel magazine. Simply swap the upper assembly and you're running 380 ACP. Nitride-finished steel resists corrosion and wear, and those tritium-powered night sights mean you're ready to shoot in dim conditions without reaching for a light. The polymer frame keeps weight down while the slide and barrel deliver the durability Sig is known for.
This kit works with the standard P365, P365X, and P365XL platforms, so if you own any of those variants, you can make the conversion. The 10-round capacity balances shootability with practical carry loads for the 380 cartridge. Whether you're a competitive shooter looking for a softer practice rig, a hunter who wants reduced recoil for extended range sessions, or just someone curious about running a lighter cartridge through a trusted platform, this caliber exchange kit keeps everything familiar while giving you a new tool.
| Manufacturer | Sig Sauer |
| Model Compatibility | P365, P365X, P365XL |
| Caliber | 380 ACP |
| Barrel Length | 3.10 inches |
| Magazine Capacity | 10 rounds |
| Magazines Included | 1 × 10-round steel magazine |
| Sights | SigLite night sights |
| Slide Finish | Black nitride |
| Frame Material | Polymer |
This kit is compatible with the standard P365, P365X, and P365XL. You'll be swapping the slide and barrel assembly, so any of those three frame generations will accept it.
You get a complete slide assembly with black nitride finish, a 3.10-inch 380 ACP barrel, SigLite night sights, a grip module, and one 10-round steel magazine. Everything needed to convert your P365 to 380 ACP is in the box.
Yes. The 380 ACP cartridge generates less recoil energy than 9mm, making this kit a good choice for shooters seeking a softer shooting experience or extended training sessions with reduced hand fatigue.
The kit includes a 10-round 380 ACP magazine. We recommend using magazines designed for the 380 cartridge to ensure reliable feeding and performance.
SKU: 115860631 • Width: 10.7in • Height: 3.4in • Depth: 11.5in • Weight: 1.42oz