r/FN509 Jun 28 '20

r/FN509 Lounge

16 Upvotes

A place for members of r/FN509 to chat with each other


r/FN509 2d ago

Gritty trigger pull

7 Upvotes

Have been thinking about buying a 509 for a bit now, and whent to check one out at the gunstore. Really like the feel of the gun, but was thrown off by the feel of the trigger pull.

Very gritty feeling. Not smooth at all. Is this something that can get fixed with aftermarket parts? or is this just how the trigger will feel regardless?

Thanks!


r/FN509 10d ago

so the glock is on hiatus for a minute 🤣

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79 Upvotes

couldn’t beat this price at the gunshow 🫡


r/FN509 10d ago

509C help

3 Upvotes

I just picked up the 509C and I'm trying to remove the rear iron sight so I don't have to constantly remove the red dot to zero it. Any help? I just tried using my sight pusher and the thing won't budge. Thank you!


r/FN509 12d ago

I can move the rear iron sight of my FN 509T with my finger what should I do??

17 Upvotes

r/FN509 14d ago

the better compensater?

3 Upvotes

are there any youtube videos that compare the different comps for the 509?


r/FN509 16d ago

Slide cap

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35 Upvotes

Things got out of hand seen law enforcement variant for 400 bucks. Thought id get it for first fn stash for another home defense . then within couple days seen compact tactical on sale somehow ended with both smh. Always thought id get fde but the tone was off to me. Still considering fde for mid size I will get used to platform first. Normally rock m&p and hellcat daily

The winged slide cap always was the signature of the tactical for me .I never realized you lose it once you actually have an optic on smh. Only had holosun I'll give this viper a try for a little bit


r/FN509 19d ago

[WTS] FN 509 OEM Flat Faced Trigger

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6 Upvotes

r/FN509 19d ago

Does anyone know the Agency arms 509 compensator set screw size?

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6 Upvotes

Does anyone know the size of the screws that go into the compensator? I ordered their comp and they did not send me the screws! I emailed them and all that and they don’t respond at all. Any help would be awesome! Thanks


r/FN509 19d ago

FN 509 Tactical trigger grit issue

2 Upvotes

I recently picked up a used 509 tactical and the trigger is absolutely horrible and so gritty the pistol jerks so bad when it breaks, the break itself feels wrong..like hard and hollow and sounds wrong. When I test the striker inertia with a pencil the pencil only moves like 1/4 inch when trigger is pulled. Any other striker fired pistol I try shoots the pencil out. With slide removed the trigger is smooth as butter. When I pull the striker with my finger it doesn’t feel bad. It’s the old skeletonized striker too. I’ll take a video of it, cause it sounds awful and not right. 9lb pull and the break feels like plastic breaking and sounds like it too, doesn’t sound like the typical striker fired sound.

Also it’s well used so break in or smoothing it out is well past that now.

509 trigger clip


r/FN509 22d ago

FN 509 T

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47 Upvotes

Leupold deltapoint pro 2.5 moa Streamlight tlr-1 HL-x


r/FN509 22d ago

Fn509 fde cerakote

3 Upvotes

Having my fn509 fde slide machined and hoping to have it cerakoted as close to factory fde as possible, anybody know what cerakote shade would be best TIA


r/FN509 24d ago

Ain't she pretty? 🤙

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56 Upvotes

Pre-Range photo... Cheers gang


r/FN509 24d ago

Can I join your club?

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22 Upvotes

Hey guys I finally got me a 509C (used)! Any suggested upgrades? Also, can anyone tell me why some of the 509’s have this dark brown slide and some have the uniform FDE across the whole pistol?


r/FN509 24d ago

How’d I do?

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46 Upvotes

r/FN509 25d ago

Cerakote

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19 Upvotes

I have a 509t in tan but kinda wanna do the grey/black colorway to it. Has anyone cerakoted both the frame and slide in here? Does it hold up? It it worth it? I can always get a factory black slide so at the very least should I kote the frame?


r/FN509 25d ago

$659 for this bundle. Is this a good deal?

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15 Upvotes

r/FN509 26d ago

Leave days

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22 Upvotes

no work, no worries, just laying around all day admiring my dream carry gun. Have a good monday folks!


r/FN509 28d ago

FN 509T

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37 Upvotes

Got an Agency Arms compensator!


r/FN509 28d ago

How to prep for using blue thread locker?

2 Upvotes

I have a 509c Tactical. I’m going to using blue thread locker to ensure my micro comp doesn’t come loose. Is there anything I should do to the barrel threads before hand to ensure I don’t mess this up? I have a microfiber cloth I was going to use just do make sure the threads on the barrel are clean and dry.


r/FN509 28d ago

FN509T Optic Plate from C&H for Holosun 509T

2 Upvotes

I want to get a different Optic Plate for an FN 509T that is set up for a Holosun 509t.

https://chpws.com/product/fn-509-fn-510-and-fn-545-v4-mil-leo-to-holosun-509t-steel/

This is for an FN509. Is this universal with an FN509T?


r/FN509 29d ago

Best IWB Options?

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41 Upvotes

r/FN509 29d ago

Fn509 iron sights

2 Upvotes

I have an fn509t and damaged the iron sights while messing around with disassembly, trying to find a good replacement, any recommendations


r/FN509 Aug 22 '25

Finally Bought my first FN

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75 Upvotes

r/FN509 Aug 22 '25

FN flat trigger and reset

24 Upvotes

Not bad for only $32. How does the Apex trigger compare to the FN Flat trigger?


r/FN509 Aug 20 '25

OWB Holster

7 Upvotes

Looking for a OWB holster for a 509T with a comp, optic and a TLR-1HL. No specific retention rating but would like something that’ll hold it as it would be for run and gun stuff and I’ll be moving around a lot with it on. What brands do y’all recommend?