Description
Working on an FN 509 or FNS Compact? This disassembly fixture is built to solve the single most frustrating step in the process: removing the unlocking block pin. That pin is the tightest, most stubborn part of the takedown, and trying to do it without proper support is how frames get cracked, punches slip, and hours get wasted. This tool changes that.
The Apex FN Disassembly Fixture locks your pistol frame in place and precisely guides a pin punch directly onto the unlocking block pin. No guesswork, no fighting the frame, no hunting for the right angle. You get a straight, clean hit every time. For anyone who maintains duty rigs, competes seriously, or does their own armoring, this is a workbench essential.
Key benefits for your build or repair:
- Precision pin alignment: The fixture holds the frame so your punch contacts the pin face squarely. This reduces the risk of marring the frame or bending the pin.
- Solid support required: This tool works best on a vise anvil, concrete floor, or a truly solid workbench positioned over a table leg. Do not use on a kitchen table, countertop, or any unstable surface—those surfaces flex and absorb the impact, making the job harder and increasing the risk of damage.
- Important limitation: If the front unlocking block pin face is already damaged (not flat) from previous attempts, this fixture will not fix that. You will need to dress the pin end flat before driving it out. The fixture cannot correct a deformed pin.
- No guarantee against frame damage: We do not claim this tool will prevent all frame damage. It dramatically reduces the odds by giving you a proper work platform, but it is not a guarantee against pre-existing issues or user error.
- 100% made in the USA: Manufactured right in Phoenix, AZ. No offshore shortcuts.
Fitment and specs:
- Compatible with: FN 509 (all variants including full-size, compact, and midsize) and FNS Compact (FNS-C) pistol frames.
- Price: $25
- Category: FN Armorer’s Tools
- Construction: Machined to precise tolerances for a secure, repeatable fit.
If you’re doing serious work on FN pistols—whether it’s a competition build, a duty weapon overhaul, or a one-time deep clean—this fixture pays for itself the first time you use it. No more wrestling with the frame,
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