Description
This 3/32″ Disassembly Punch from Apex is a spring-powered tool specifically modified with a flat tip to make one of the most frustrating parts of FN pistol maintenance a whole lot easier. If you own an FN 509, FN 510, or FN 545, you know the front locking block pin can be a bear to remove. This punch is built to solve that problem without beating up your frame or your knuckles.
Real-world benefit: Instead of wrestling with a hammer and standard punch, hoping you don’t slip and mar your slide or frame, this tool delivers controlled, repeatable force directly to the pin face. The spring mechanism stores energy as you pull it back, then releases it in a single, sharp impact. You get enough power to pop the pin free in just a few hits, but with far less risk of damaging your pistol.
Specs & fitment:
- Tip size: 3/32″ (flat tip modification by Apex)
- Designed for: FN 509, FN 510, FN 545 (all variants)
- Works with: Apex Disassembly Fixture (strongly recommended for best results)
- Construction: Spring-powered drive pin with anvil and hammer rings
How it works (in plain terms): After you’ve unloaded and field stripped your pistol per factory instructions, remove the take down lever. Place your frame into the correct Apex Disassembly Fixture on a solid surface (a concrete floor or over a workbench leg works great). Align the punch tip with the front locking block pin through the top of the fixture. Hold the anvil rings steady with one hand, grip the hammer rings with the other, stretch the spring about 2 inches, and release. The spring pulls the hammer down onto the anvil, sending a shockwave through the pin. Check alignment after each strike; it may take several impacts to fully drive the pin free.
Important safety note: Always wear safety glasses and remove all ammunition from your workspace before starting. This punch is a specialized tool for a specific job—it’s not a general-purpose punch. For the best experience, pair it with the Apex Disassembly Fixture designed for your pistol model. The combination gives you a stable, repeatable setup that keeps everything aligned so you can focus on the job, not on fighting the tool.
Why this matters for a practical shooter or hunter: Time spent fighting a stuck pin is time you’re not at the range, in the field, or carrying your pistol. Whether you’re doing routine cleaning after a match, swapping parts for a build, or just maintaining your carry gun, this punch gets you back to
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