SIG SAUER P320-XTEN ENDURE Custom Works 10mm, Full-Size, 5 in Bull Barrel, Optics-Ready PRO Footprint, Night Sights
This limited SIG SAUER Custom Works P320-XTEN ENDURE stands out with a laser-etched topographic tan Cerakote slide, an LXG laser-stippled ENDURE grip module, and a 5 in carbon-steel bull barrel. It is optics-ready with the PRO footprint, includes a night-sight equipped front sight, and ships with three 15-round magazines plus premium Custom Works presentation extras.
Condition
Overall Condition: As-new condition with no signs of prior handling beyond what’s typical from inspection (see photos).
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Minimal signs of use beyond the factory testing.
What’s Included
- SIG SAUER factory polymer hard case
- SIG SAUER-branded Negrini hard case with foam cutouts and combination latches
- 3x 15-round SIG SAUER factory steel double-stack magazines
- SIG SAUER Custom Works certificate of authenticity
- Negrini case literature and combination lock instructions
- SIG SAUER Custom Works challenge coin
The ENDURE edition is a SIG SAUER Custom Works limited release featuring a factory laser-etched topographic pattern on the slide and a tan Cerakote finish. The matching LXG laser-stippled ENDURE grip module provides a secure texture while maintaining the P320’s modular FCU design with a serialized stainless-steel chassis.
Performance features include a 5 in carbon-steel, non-threaded bull barrel and a striker-fired, short-recoil, locked-breech action. The flat-faced trigger and reversible magazine release support consistent control and adaptable ergonomics.
The optics-ready PRO-footprint slide has a removable cover plate and is compatible with SIG ROMEO2 and ROMEO-X PRO. Front and rear serrations aid manipulation, and the sight radius measures 6.8 in.
Factory sights include a green tritium front dot with a fixed rear. A full-length M1913 accessory rail is integrated for light or accessory mounting.
Capacity is 15+1 in 10mm Auto. Overall measurements are 8.5 in length, 1.3 in width, and 7.1 in height. Weight is 33 oz with magazine. This model is made in the United States with production in Newington, New Hampshire.