Durable Striker for FN 509

If you shoot an FN 509 regularly, you know the factory striker can wear out faster than you’d like—especially if you do a lot of dry fire practice. This durable striker is a direct drop-in replacement built to handle the abuse. It’s been tested and certified for over 125,000 dry strikes on an empty chamber, so you can train hard without worrying about parts failure. The improved sear catch geometry also gives you a crisper trigger break, making your shots more predictable at the range or in competition.

Will this fit my gun?

• FN 509 (all full-size, compact, and midsize variants)
• FN 509 Tactical
• FN 509 LS Edge
• FN 509 MRD
• Does NOT fit FN FNS, FNX, or 502 series

Key features

• Rated for 125,000+ dry fires – no more worrying about a broken striker mid-session
• Machined from heat-treated tool steel with Nickel Teflon finish for low friction and long wear
• Includes a proprietary buffer that dampens shockwave from dry firing (installs into the slide)
• Comes with a 6mm x 60mm socket head cap screw for easy removal and cleaning
• Direct drop-in – uses your factory striker spring stop, spring stop pin, return spring, and spring guide
• When paired with an aftermarket trigger kit, average pull weight is around 5.5 lbs

Install difficulty: 2 out of 5

This is a straightforward swap if you’re comfortable field-stripping your FN 509. You’ll need a punch set, a small hammer or mallet, and the included hex screw for removal. Plan on about 20 minutes if it’s your first time. No special gunsmithing skills required—just take your time and watch the install video linked below.

Frequently asked questions

Do I need to buy anything else to install this?

You’ll reuse four parts from your factory striker: the striker spring stop, spring stop pin, return spring, and spring guide. Everything else you need is in the box, including the buffer and removal screw.

Will this striker work with my factory trigger?

Yes, it’s designed as a direct replacement for the factory striker and works fine with the stock trigger. For an even crisper break and slightly lighter pull, you can pair it with an aftermarket trigger kit.

Is the buffer reusable if I swap strikers later?

Yes, the buffer is a durable component that can be transferred to a new striker if needed. Just make sure it’s seated properly in the slide channel each time.

Shipping & warranty: Free shipping on orders over $50. This striker comes with a limited lifetime warranty against manufacturing defects. If it ever fails under normal use, we’ll replace it—no questions asked. We’re a small family shop and we stand behind what we sell.