FN 66-101386 545 TACTICAL 45 ACP 10+1 4.71" THREADED BARREL FDE OPTIC CUT

The FN 545 Tactical (66-101386) in 45 ACP is a full-size striker-fired pistol built for buyers who want a suppressor-ready handgun with optics capability, night sights, and .45 ACP power in a modern defensive platform. This threaded barrel 45 ACP optics ready pistol fits home defense, range use, and suppressor setups while giving you a factory-configured package that is easy to understand and easy to build around.

Key Features

• Manufacturer part number 66-101386
• Caliber 45 ACP
• Capacity 10 plus 1
• Barrel length 4.71 inches
• Barrel type cold hammer-forged steel, target crowned, threaded
• Thread pattern .578x28
• Frame material polymer
• Finish Flat Dark Earth
• Sights co-witness tritium night sights
• Weight 31 ounces
• Overall length 8.3 inches
• Action striker-fired
• Major construction details optic-cut slide, front and rear cocking serrations, loaded chamber indicator, MIL-STD-1913 accessory rail, interchangeable backstraps
• Included accessories two 10-round magazines, four MRD mounting plates, premium zippered case, owner’s manual, locking device

Special Features

• The FN 545 Tactical uses FN’s Low-Profile Optics Mounting System, which lets you mount many popular red dot sights without sending the slide out for custom work.
• The suppressor-height tritium sights co-witness with most miniature red dot optics, so you keep a visible backup sighting system when running an optic.
• The threaded barrel comes ready for suppressors and compensators that use the common .578x28 pattern for 45 ACP pistols.
• FN equips the slide with front and rear cocking serrations to give you more control during press checks, manipulations, and optic-mounted handling.
• The high-endurance striker system and precision-tuned trigger are built for consistent performance across heavy range use and defensive training.
• Fully ambidextrous controls help left-handed and right-handed shooters run the pistol with the same layout and function.
• The interchangeable backstraps let you tune grip fit to your hand size instead of settling for one fixed frame shape.

Practical Benefits

• This FN 545 Tactical (66-101386) works well for buyers who want a full-size 45 ACP pistol that already fits red dots, weapon lights, and suppressor-ready use.
• The optic-cut slide and included mounting plates make it easier to set up a defensive handgun or range pistol without extra gunsmith work.
• The rail fits common handgun lights and lasers, which makes the pistol a strong option for home use and low-light training.
• The 10 plus 1 capacity gives buyers in restricted-capacity markets the exact magazine configuration tied to this FN 545 Tactical 45 ACP variant.
• If you want a factory-built 45 ACP tactical pistol with optics support, threaded barrel compatibility, and ambidextrous controls, you get a clean setup that serves defensive shooters especially well.

The FN 545 Tactical (66-101386) in 45 ACP is a practical choice for defensive shooters who want a full-size optic-ready handgun with threaded barrel capability and factory tactical features.