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FN 545™ MRD-LE

Available for law enforcement

SKU/Product Number: 66-101935 BLK, 66-101940 FDE

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FN Optics Mounting System Quick Setup & Reference Guide-2019


  • Caliber: .45 ACP
  • Operation: Double Action, Striker Fired
  • Mag Capacity: 10 or 15 Rd.
  • Weight: 30 oz (empty)
  • Barrel Length: 4.1"
  • Overall Length: 7.7"
  • Twist Rate: 1:16 RH
  • Height: 6"
  • Width: 1.45"
  • Trigger Pull: 5.5 - 7.7 lbs
  • Sight Radius: 6.1"

Primary Features

3 Dot Green Tritium Night Sights, Suppressor Height

15+1 rounds of .45 ACP

Low-Profile Optics Mounting System™

Precision-tuned trigger with clean break

Enhanced grip frame for unmatched control


FN Low Profile Mounting System, ACRO mounting plate included

Machined steel with front and rear cocking serrations, loaded chamber indicator

Suppressor height 3 Dot Green Tritium Night Sights co-witness with most MRD optics

High-endurance conical striker


4.1-inch cold hammer-forged, target crowned for enduring accuracy

Polished feed ramp and chamber for feed reliability


Superior balance and grip texture dampen recoil and allow master control

Target-grade trigger breaks clean at approximately 6lbs

Interchangeable backstraps

MIL-STD-1913 rail


Fully ambidextrous slide stop lever
and magazine release


Three 15-rd magazine

Low-friction follower; polymer base with nickel-coated steel body


Two interchangeable backstraps

Three 15-round magazines

Five MRD mounting plates, ACRO mounting plate included

Owner’s manual

Locking device

Premium zippered case