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FN 545

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Polymer frame semi-automatic handgun
FN 545
TypeSemi-automatic pistol
Place of originUnited States
Production history
ManufacturerFN America
Unit cost$1,139 (MSRP)
Produced2023–present
Specifications
Mass
  • 30.0 oz (850 g) (Standard)
  • 31.0 oz (880 g) (Tactical)
Length
  • 7.7 in (200 mm) (Standard)
  • 8.3 in (210 mm) (Tactical)
Barrel length
  • 4.1 in (100 mm) (Standard)
  • 4.71 in (120 mm) (Tactical)
Width1.45 in (37 mm)
Height6.0 in (150 mm)
Cartridge.45 ACP
ActionDouble action
Feed system10-, 15- or 18-round box magazine
SightsFixed 3-dot; Tactical and MRD

The FN 545 is a polymer frame striker-fired semi-automatic pistol manufactured by FN America, a division of FN Herstal. Based on the FN 509, It is chambered in .45 ACP featuring double-action operation and a Picatinny rail located forward of the trigger guard.

The 545 was released in 2023 alongside the FN 510 (chambered in 10mm Auto).

Design details

Features

The FN 545 is a striker-fired handgun with a stainless steel slide with ferritic nitrocarburizing finish and a polymer frame. Black and flat dark earth (FDE) colorings are available. Barrel length is 4.1 inches (100 mm) for the Standard Full Size (MRD) model & 4.71 inches (120 mm) for the Tactical model. The slide has serrations on both front and back, for easy slide manipulation. There is a full-sized grip, housing 15-round magazines; 10-round magazines are available for states with a high-capacity magazine ban.

The backstrap of the grip accepts interchangeable inserts; one arched and one flat. Instead of a manual safety, the 545 includes an integrated trigger safety (the articulated trigger type like the FN FNS) as part of its four passive safety systems: a striker block, a drop safety, a trigger disconnect and a trigger safety lever.

Magazine releases and slide locks are present on both side of the gun.

Variants

Several variants of the FN 545 have been made available:

  • Tactical – 4.71-inch (120 mm) barrel length, 15- and 18-round magazines, available in black or FDE, threaded barrel, raised sights (to accommodate a suppressor), with low-profile optics mounting system (for a red dot sight).
  • Standard (MRD) – 4.1-inch (100 mm) barrel length, 15-round magazines, available in black or FDE, with low-profile optics mounting system.

Notes

  1. MRD is an abbreviation for miniature red dot

References

  1. "FN 545® – DEFND YOUR HOMEFRONT". fnamerica.com.
  2. "MORE BORE". fnamerica.com.
  3. "19 Rounds of Good to Go: Review of the FN 545 Tactical .45 ACP". Guns.com. July 16, 2023.
  4. "FN 545® – DEFND YOUR HOMEFRONT". fnamerica.com.
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