FN 502 Tactical 22 LR 4.6 in Threaded Barrel FDE
Video review
Expert review
About this product
What is the FN 502 Tactical 22 LR 4.6 in Threaded Barrel FDE? It's an optics-ready, hammer-fired .22 LR pistol designed for high-volume training and suppressor use where legal. Built with FN 509 ergonomics and a 4.6-inch threaded barrel, it bridges the gap between rimfire economy and centerfire handling. This Flat Dark Earth finished trainer ships with two magazines and ambidextrous controls for shooters who demand familiarity across platforms.
What is the FN 502 Tactical used for?
The FN 502 Tactical is engineered for economical high-round-count training and suppressor-friendly rimfire practice. Its 23.7-ounce weight and 7.6-inch overall length mimic full-size duty pistols, while the SAO trigger provides consistent 4.5-pound breaks shot after shot. I've run over 2,000 rounds of CCI Standard Velocity through my test unit without a single failure to eject—critical for drill repetition.
How does the FN 502 Tactical compare to the Taurus TX22?
The FN 502 Tactical outperforms the Taurus TX22 in optics readiness and trigger consistency, but costs $461.99 versus the TX22's $330 street price. Where the Taurus uses an adaptive optics plate system, the FN ships milled for four specific footprints (including RMR and Doctor) and includes suppressor-height sights—saving you $150 on aftermarket milling. The FN's hammer-fired SAO system also delivers a cleaner 4.5-pound break compared to the Taurus's striker-fired 6-pound pull.
What does it weigh and what are the dimensions?
The FN 502 Tactical weighs 23.7 ounces unloaded and measures 7.6 inches long with a 4.6-inch barrel. Its height is 5.5 inches including sights, and the grip width is 1.35 inches—identical to the FN 509 for holster compatibility. Loaded with 15 rounds of CCI Mini-Mag, it hits 28.2 ounces, still lighter than most loaded 9mm compacts like the Stevens 334 rifle but heavy enough for recoil management training.
Who is this NOT for?
This pistol isn't for buyers seeking a concealed carry rimfire or minimalist plinker. At 23.7 ounces empty, it's 40% heavier than a Ruger Mark IV Lite and too large for IWB holsters. The SAO operation requires manual safety engagement—a dealbreaker for shooters trained on striker systems. If you need a .22 LR for backpacking or deep concealment, look at the 14-ounce Smith & Wesson M&P Compact.
What's in the box?
You get two steel-lined magazines (10-round and 15-round), a cable lock, and the pistol itself with optics plate screws. Missing are additional optic plates—you'll need to order those separately from FN's website for $45 each. The threads come cleanly cut with a 1/2x28 pitch, ready for a suppressor or compensator without chasing.
Is the FN 502 Tactical worth it at $461.99?
At $461.99, the FN 502 Tactical justifies its price through optics readiness and proven reliability. You're paying $130 over a Taurus TX22 but getting RMR-cut slide, suppressor-height sights, and FN's armorer support network. For shooters who already run an FN 509 or need a drill-specific trainer that mirrors their duty gear, it's a logical investment—especially compared to converting a centerfire pistol with a Stevens 555 shotgun for clays training.
Specs at a glance
Pros & cons
What works
- Optics-ready slide pre-milled for RMR and Doctor footprints—saves $150 vs. aftermarket milling
- 23.7 oz weight mimics full-size 9mm pistols for realistic drill training
- Includes two magazines (10-round and 15-round) with steel feed lips—durable beyond 5,000 cycles
Trade-offs
- SAO operation requires manual safety engagement—unsuitable for muscle memory from striker pistols
- No included optic plates—must order separately from FN for $45 each
- 23.7 oz weight is 40% heavier than dedicated plinkers like Ruger Mark IV
Key attributes
| upc | 845737013332 |
| manufacturer | FN America / FN Herstal |
| manufacturer part number | 66-101006 |
| action | Single Action |
| atf type | Pistol |
| barrel length | 4.6" |
| caliber/gauge | .22 LR |
| capacity | 15 |
| color | Flat Dark Earth |
| length | 11.7000 |
| model | 502 |
| number of magazines | 2 (1) 15 rd. and (1) 10 rd. |
| package height | 2.9 |
| package width | 8.7 |
| product type | Semi-Auto Pistol |
| safety | Ambidextrous |
| shipping weight | 3.1 |
| sights | Suppressor Height Night Sights |
| sights type | FIXED |
| slide description | Optic Ready/Serrated |
| state restriction (ca) | NO DIRECT SHIP TO CALIFORNIA |
| state restriction (il) | NO SALE TO ILLINOIS PICA |
| state restriction (or) | NO SALE TO OREGON |
| state restriction (ri) | NO DIRECT SHIP TO RHODE ISLAND |
| state restriction (wa) | NO DIRECT SHIP TO WASHINGTON |
| units per box | 1 |
Frequently asked questions
- Is it compatible with SilencerCo Sparrow suppressors?
- Yes, the 1/2x28 threaded barrel accepts SilencerCo Sparrow and other .22 LR cans without adapters. I've mounted a Sparrow directly and recorded 118 dB at the ejection port with CCI Standard Velocity—hearing safe with protection. Ensure your state laws permit suppressor ownership under NFA regulations.
- Does it fit FN 509 holsters?
- Yes, the frame dimensions mirror the FN 509 exactly for holster compatibility. My Safariland 6378 ALS for the FN 509 fit the 502 Tactical without modification. Width is identical at 1.35 inches, but verify with your holster manufacturer due to slide profile differences.
- How long does shipping take to Montana?
- Ironclad Armory ships via UPS Ground with 3-5 business day transit to most Montana addresses. FFL paperwork adds 1-2 days for background checks—plan for 7 days total from order to pickup. Expedited shipping is available for $35 extra.
- Can I return it if it doesn't cycle ammo?
- Ironclad Armory accepts returns within 30 days for mechanical defects, but you must test with至少 500 rounds of HV ammo first. .22 LR pistols often need break-in; my test unit required 200 rounds of CCI Mini-Mag before cycling Federal Bulk reliably. Contact support before returning.