SIG Sauer P320 Compact .45 ACP, 3.9" Barrel, 9+1, Black, Fixed Sights, Rail, USA
This SIG Sauer P320 Compact in .45 ACP pairs the series' modular, stainless-steel fire control unit with a compact, 3.9" barrel format and 9+1 capacity. It features ambidextrous slide catch levers, a reversible magazine release, and fixed sights with a white-dot front. The .45 ACP P320 uses dedicated .45-specific components and includes two factory 9-round steel magazines and a zippered soft case.
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: There are small scratches on the frame.
What’s Included
- Zippered soft case
- Two 9-round SIG Sauer factory steel magazines
The compact P320 .45 ACP configuration delivers a 3.9" barrel and a 9+1 capacity in a black polymer grip module with molded texture. The .45 ACP variants of the P320 use dedicated .45-specific components, giving this model a purpose-built setup for the caliber.
Its serialized, stainless-steel fire control unit (FCU) is the heart of the system and is visible through the side window. This modular FCU design defines the P320 series and allows the core firing mechanism to be the legally serialized component.
Controls are well thought out for versatility: ambidextrous slide catch levers, a reversible magazine release, and a curved, non-skeletonized trigger without a safety tab. The pistol employs internal striker, trigger bar, and drop safeties and has no external manual safety.
The slide wears a black finish with front and rear serrations for confident manipulation. Fixed iron sights include a dovetailed square-notch rear and a white-dot front post for a straightforward, durable sight picture.
Practical features include an integral 3-slot Picatinny/1913 accessory rail on the dust cover and a lanyard cutout at the rear of the magwell. The pistol is made in the USA and ships with two factory 9-round steel magazines.




