Here at Kentucky Gun Shop in Louisville, we see a lot of FN 509s and 503s come through the range. They’re solid pistols, but the factory striker can wear out faster than you’d like if you’re putting in serious dry-fire practice. That’s where this Apex Tactical Durable Striker comes in. It’s a direct drop-in replacement—no filing, no fitting. Just swap it out and get back to work.
Apex put over a million dry-fire cycles into R&D on this thing. They didn’t just tweak the heat treat; they redesigned the geometry to handle the abuse. If you’re running classes, competition drills, or just want a part that’ll hold up longer than the stock unit, this is it. It’s made by Apex Tactical Specialties, a name we trust for reliable upgrades.
Installation follows standard FN 509/503 disassembly—nothing special needed. We stock these for local pickup, but if you’re outside Louisville, no worries. Kentucky Gun Shop ships to all 50 states through your local FFL. Give us a call if you’ve got questions about fitment or the swap. We’re happy to walk you through it.
Key Specs
- Manufacturer: Apex Tactical Specialties Inc.
- Compatibility: FN 509 Series & FN 503
- Installation: Drop-in replacement
- R&D Testing: Over 1,000,000 dry fires
- Category: Handgun Parts – Striker
Price: $83.
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