SIG Sauer P365 XL X-Series 9mm, Optics-Ready RMSc Cut, 3.7 in Barrel, 12+1, Nitron Slide, Flat Trigger
This SIG Sauer P365 XL X-Series stands out with its optics-ready slide cut for RMSc/ROMEO micro optics, a 3.7 in barrel, and a flat X-Series trigger. It includes two 12-round steel magazines and a SIG factory hard case. The pistol shows very good overall condition with an excellent, mirror-bright bore.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Minimal markings from prior handling and use are visible on exterior surfaces. Please refer to the pictures for a close look at the noted areas.
What's Included
- SIG Sauer factory hard case with label (365XL-9-BXR3)
- 2x 12-round steel magazines marked MADE IN USA with witness holes; P365-series factory style
The P365 XL X-Series delivers a compact 9mm platform with an extended 3.7 in barrel and a 12+1 capacity using the included magazines. It features a striker-fired action with the X-Series flat trigger for a consistent, straight press.
The slide wears SIG's Nitron black finish and includes front and rear serrations for confident manipulation. It is factory optics-ready with the rear sight plate removed and mounting holes exposed, using the Shield RMSc/ROMEO micro footprint per model specification. A green-dot front sight is installed.
The black polymer grip module pairs with a stainless steel receiver chassis, and the frame carries the Newington, NH USA marking. A SIG proprietary accessory rail with a single slot is integrated into the dustcover for compatible accessories.
This configuration, mfg part number 365XL-9-BXR3, is a USA-made example. The case label reflects SKU 365XL-9-BXR3 dated 05-FEB-2020, aligning with the model's optics-ready XL feature set and included 12-round magazines. There is no external manual thumb safety on this pistol.