Sig Sauer P320 Compact BXR3 PRO 9mm, Optics-Ready Nitron Slide, Flat Trigger, 15+1 Capacity, 3.6 in Barrel, 2 Magazines (2020)
This Sig Sauer P320 Compact BXR3 PRO is a striker-fired 9mm built in 2020 in the USA, combining a stainless-steel slide with a black Nitron finish, an optics-ready cut, and a flat-faced trigger. It features a modular, removable serialized FCU, ambidextrous slide catch levers, and fixed steel sights with a tritium front sight highlighted by a green ring. Included are two 15-round steel magazines and a SIG Sauer factory hard case with matching model label.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Light, superficial scratches and minor handling marks are present on the slide and frame. The polymer grip module shows small abrasions consistent with prior handling.
What’s Included
- SIG Sauer factory hard case (gray) with matching label 'L320C-9-BXR3-PRO'
- Two 15-round steel factory magazines (marked 'MADE IN ITALY')
The BXR3 PRO configuration delivers a compact 9mm platform with a 15+1 capacity and a flat-faced trigger for a straight, consistent pull. The removable, serialized FCU enables grip module swaps while maintaining the firearm’s core serialized component.
The stainless-steel slide wears a black Nitron finish and includes both front and rear serrations for confident manipulation. An optics-ready slide cut provides mounting capability for compatible pistol optics when the buyer installs their preferred system.
Fixed steel sights include a tritium front with a high-visibility green ring and a dovetailed rear notch, offering a durable sighting setup. Ambidextrous slide catch levers support left- or right-hand use without modification.
An accessory rail with three M1913 slots accommodates weapon-mounted lights or other compatible accessories. This pistol was manufactured in 2020 and includes two factory 15-round steel magazines along with the original SIG Sauer case and matching model label.



