# FN Herstal 45 ACP Firearms - Guns For Sale

Browse FN Herstal .45 ACP firearms built around FN America’s FNX-45 and FN 545 pistol lines, including FNX .45 Tactical Gen 1 models, compact FNX-45 options, and optics-ready FN 545 MRD configurations. This selection includes .45 ACP pistols with black or Flat Dark Earth finishes, night sights, threaded barrels, red dot packages, and 10, 15, or 18-round magazine setups.

From FNX-45 Tactical Gen 1 pistols to FN 545 Tactical and MRD models, this catalog tag focuses on full-size and compact .45 ACP handguns designed for precision, control, and modern accessory compatibility. Shop FN Herstal .45 ACP firearms with the features shooters look for in tactical, range, and defensive pistol platforms.

## Featured Firearms (23 total)

| Product | Caliber | Price |
|---------|---------|-------|
| [FN 545 MRD .45 ACP Pistol w/Holosun Red Dot - FDE Finish](https://gunsnation.com/p/fn-545-mrd-45-acp-pistol-w-holosun-red-dot-fde-finish/UCEt9uL46) | .45 ACP | - |
| [FN America FNX-45 Tactical .45 ACP Night Sight Pistol](https://gunsnation.com/p/fn-america-fnx-45-tactical-45-acp-night-sight-pistol/UCEt9uH97) | .45 ACP | - |
| [FN America FNX 45: 15-Round .45 ACP Pistol, Black Finish](https://gunsnation.com/p/fn-america-fnx-45-15-round-45-acp-pistol-black-finish/UCEt9uGmJ) | .45 ACP | - |
| [FN FNX-45T .45 ACP 5.3in Black](https://gunsnation.com/p/fn-fnx-45t-45-acp-5-3in-black/UCEt9uLI6) | .45 ACP | - |
| [FN 545 MRD .45 ACP 4.4in Black](https://gunsnation.com/p/fn-545-mrd-45-acp-4-4in-black/UCEt9uLHb) | .45 ACP | - |
| [FN America 545 MRD .45 ACP 4.4in Flat Dark Earth](https://gunsnation.com/p/fn-america-545-mrd-45-acp-4-4in-flat-dark-earth/UCEt9uLHi) | .45 ACP | - |
| [FN 545 MRD .45 ACP SAO - Optics Ready, Flat Dark Earth](https://gunsnation.com/p/fn-545-mrd-45-acp-sao-optics-ready-flat-dark-earth/UCEt9uKOa) | .45 ACP | - |
| [FNX-45 Tactical .45 ACP Handgun with Night Sights](https://gunsnation.com/p/fnx-45-tactical-45-acp-handgun-with-night-sights/UCEt9uHi1) | .45 ACP | - |
| [FN America FN 545 MRD .45 ACP 4.4in FDE](https://gunsnation.com/p/fn-america-fn-545-mrd-45-acp-4-4in-fde/UCEt9uLHU) | .45 ACP | - |
| [FN America FNX-45 Tactical .45 ACP 5.3in FDE](https://gunsnation.com/p/fn-america-fnx-45-tactical-45-acp-5-3in-fde/UCEt9uLHz) | .45 ACP | - |
| [FNX Tactical .45 ACP - FDE Versatile Semi-Auto Handgun](https://gunsnation.com/p/fnx-tactical-45-acp-fde-versatile-semi-auto-handgun/UCEt9uIeq) | .45 ACP | - |
| [FN FNX-45 Tactical .45 ACP 5.3in Flat Dark Earth](https://gunsnation.com/p/fn-fnx-45-tactical-45-acp-5-3in-flat-dark-earth/UCEt9uLID) | .45 ACP | - |
| [FN 545 Tactical .45 ACP Pistol - Night Sights, FDE Finish](https://gunsnation.com/p/fn-545-tactical-45-acp-pistol-night-sights-fde-finish/UCEt9uKNs) | .45 ACP | - |
| [FNX-45 Tactical .45 ACP Semi-Auto Handgun with Threaded Barrel](https://gunsnation.com/p/fnx-45-tactical-45-acp-semi-auto-handgun-with-threaded-barrel/UCEt9uHhv) | .45 ACP | - |
| [FN America FN 545 MRD .45 ACP 4.4in Black](https://gunsnation.com/p/fn-america-fn-545-mrd-45-acp-4-4in-black/UCEt9uLTR) | .45 ACP | - |
| [FN 545 MRD .45 ACP Pistol, Optics-Ready, 15rd Capacity](https://gunsnation.com/p/fn-545-mrd-45-acp-pistol-optics-ready-15rd-capacity/UCEt9uL3j) | .45 ACP | - |
| [FN America FNX .45 Tactical - Reliable Concealed Carry Pistol](https://gunsnation.com/p/fn-america-fnx-45-tactical-reliable-concealed-carry-pistol/UCEt9uGWq) | .45 ACP | - |
| [FN 545 MRD .45 ACP SAO Handgun - Precision & Power](https://gunsnation.com/p/fn-545-mrd-45-acp-sao-handgun-precision-power/UCEt9uKOM) | .45 ACP | - |
| [FN 545 Tactical .45 ACP DAO Pistol - 10+1 Matte Black Finish](https://gunsnation.com/p/fn-545-tactical-45-acp-dao-pistol-10-1-matte-black-finish/UCEt9uKNb) | .45 ACP | - |
| [FN 545 MRD Optic-Ready .45 ACP Pistol - Matte Black, 15+1 Capacity](https://gunsnation.com/p/fn-545-mrd-optic-ready-45-acp-pistol-matte-black-15-1-capacity/UCEt9uKO5) | .45 ACP | - |

*Showing 20 of 23 products*

## Related Tags

- [Concealed Carry](https://gunsnation.com/t/concealed-carry)
- [Home Defense](https://gunsnation.com/t/home-defense)
- [Tactical](https://gunsnation.com/t/tactical)
- [Hunting](https://gunsnation.com/t/hunting)
- [Optic-Ready](https://gunsnation.com/t/optic-ready)
- [Best 9mm Handguns](https://gunsnation.com/t/best-9mm-handguns)
- [Military Classic](https://gunsnation.com/t/military-classic)
- [Match Pistols](https://gunsnation.com/t/match-pistols)

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*Data from [GunsNation](https://gunsnation.com)*