Description
There are plenty of 10mm pistols out there, but very few show up this ready to work. The FN 510 Tactical pairs a full-size polymer frame with a 22-round extended magazine, giving you more full-power 10mm on tap than just about anything else on the market. A flush-fit 15-rounder is in the box too, so you can run it slick for carry in the backcountry or topped off for the nightstand. FN built this pistol on the bones of the battle-tested 509 series, so the ergonomics, controls, and takedown will feel familiar if you have spent any time behind one.
Why the FN 510 Tactical Stands Out in the 10mm Crowd
The 4.71 inch cold hammer-forged barrel wears .578×28 threads with a target crown, so mounting a suppressor or compensator is a simple screw-on job. Up top, FN's low-profile optics mounting system ships with four MRD plates covering most popular red dot footprints, and the suppressor-height tritium sights co-witness through the window when your dot goes down. A polished feed ramp and chamber plus a high-endurance conical striker keep it running through hot loads, and reviewers who have put hundreds of rounds through this platform report it eats everything from 180 grain range fodder to heavy bonded hollow points without a hiccup.
Handling Full-Power 10mm with the 510T
Big-bore autos can feel like a handful, but the 510 Tactical manages recoil better than most. Aggressive 360-degree grip texturing, interchangeable backstraps, and a flat-faced target-style trigger help you stay on the sights through fast strings. Deep front and rear slide serrations make press checks and charging easy even with gloves on, and the fully ambidextrous slide stop and mag release work for lefties without any swapping. A MIL-STD-1913 rail up front takes your light of choice, which rounds this out nicely for home defense or hiking where big animals live. Whether you are building a woods gun, a suppressor host, or just want the most capable 10mm in the safe, this one checks every box before you spend a dime on upgrades.
Key Specifications
- Manufacturer: FN America
- Model: FN 510 Tactical
- MPN: 66-101375
- UPC: 845737015596
- Caliber: 10mm Auto
- Action: Striker-Fired Semi-Auto
- Capacity: 15+1 / 22+1
- Barrel Length: 4.71 in, cold hammer-forged, target crowned
- Thread Pattern: .578×28 RH
- Overall Length: 8.3 in
- Weight: 32 oz (unloaded)
- Sights: Suppressor-height tritium night sights, steel dovetail
- Optics Ready: Yes, MRD slide cut with 4 mounting plates
- Frame: Polymer with interchangeable backstraps
- Accessory Rail: MIL-STD-1913 Picatinny
- Finish/Color: Black
What’s Included
- FN 510 Tactical pistol
- One 15-round magazine
- One 22-round magazine
- Two interchangeable backstraps
- Four MRD optic mounting plates
- Zippered soft case
- Owner's manual
- Locking device
Frequently Asked Questions
What red dot optics fit the FN 510 Tactical?
The 510 Tactical uses FN's low-profile optics mounting system and ships with four MRD plates that cover most popular footprints, including Trijicon RMR/SRO, Leupold DeltaPoint Pro, Holosun 507/508, Vortex Venom and Viper, Docter, and more. The included suppressor-height tritium sights co-witness through most micro red dots, so you keep usable irons if your battery dies.
Can I run a suppressor on the FN 510 Tactical?
Yes, that is a big part of what this model is built for. The 4.71 inch cold hammer-forged barrel is threaded .578×28, a common standard for 10mm and .45 caliber suppressors, and the tall night sights clear most cans. Just confirm your suppressor is rated for 10mm Auto and verify zero after mounting, since point of impact can shift slightly.
Is the FN 510 Tactical a good choice for bear country or backcountry carry?
It is one of the strongest options in the category. Full-power 10mm loads deliver the penetration and energy folks want for animal defense, and the 22-round magazine gives you far more on board than traditional 10mm platforms. The roomy trigger guard works well with gloves, and the rail lets you add a light for low-light situations in camp.
How does the FN 510 Tactical compare to a Glock 20?
The biggest differences are capacity and factory features. The 510 Tactical holds 22+1 versus the G20's 15+1, and it comes standard with a threaded barrel, optics mounting plates, tritium suppressor-height sights, and fully ambidextrous controls. The Glock has a longer track record and a bigger aftermarket, but the FN arrives ready to go without buying any upgrades.




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