SIG Sauer P365-FUSE 9mm, 4.3 in Barrel, Optics-Ready RMSc Footprint, Nitron Slide, 21+1 Capacity
The SIG Sauer P365-FUSE is a 2024 crossover carry variant that pairs the longest slide in the P365 family with a 4.3 in DLC-finished barrel and an extended sight radius. It is optics-ready for the Shield RMSc/Compact footprint and features a flat-faced, nickel-plated trigger, Nitron-finished slide, and modular ergonomics with interchangeable backstraps and a removable flared magwell.
Engineered for control and adaptability, the P365-FUSE combines a stainless steel receiver with DLC finish, a polymer grip module with LXG laser-engraved hexagonal texture, and a full-length M1913/Picatinny accessory rail. The slide integrates front and rear cocking serrations, an external extractor, and an optic cut with a removable cover plate.
Bright, fast sights come standard with a green fiber-optic front and a black serrated rear notch, delivering an approximate 6.0 in sight radius. Overall dimensions are about 7.2 in L x 1.1 in W x 5.1 in H, providing a balanced footprint for carry while maintaining shootability.
Capacity is listed at 21+1, and this example includes two factory 21-round magazines plus two factory 17-round magazines, along with extra baseplates/sleeves as shown. Manufacturer part number is 365XF-9-BFO; MSRP is $729.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Details: Minor, superficial handling marks and small blemishes are visible under close inspection. The bore presents a bright, clean appearance.
What’s Included
- SIG Sauer factory hard case
- SIG Sauer manuals
- Additional interchangeable backstrap inserts (shown)
- Removable flared magwell (installed)
- SIG Guy P365 FUSE recoil spring, 14 lb (spare, bagged)
- 2x 21-round factory SIG Sauer P365 magazines
- 2x 17-round factory SIG Sauer P365 magazines
- Extra magazine baseplates/sleeves (as shown)



