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    • FN 509 Midsize

    Introduced by FN America at the end 2018, the FN 509 Midsize (more commonly called the FN 509M) is a mid-sized version of the popular 509 series. While the standard 509 received rave reviews from customers, some customer feedback indicated that the standard 509 pistol was just a little big for concealed carry. FN took those suggestions to heart and introduced the slightly smaller FN 509 Midsize.

    FN 509 Midsize Holster Options

    Click here to see all the FN 509 Midsize holster models we carry

    The 509 M features the slide from the standard 509 series mated to a frame with a slightly shorter and more compact grip. The shorter grip means that the 509 Midsize model features a 15-round magazine (or optional 10 rounder for restrictive states) compared to the 17-round magazine on the standard FN 509. While the shooter loses 2 rounds in overall capacity, that equates to nearly a 2” reduction in grip. This shorter grip makes the 509 M version much easier to conceal compared to the full size 509 models.

    The 509 Midsize features all the operation controls and fire controls of the standard 509 and includes all the performance features such as combat sights, loader chamber indicator, front and rear cocking serrations. Also, like the standard 509 models, the 509 Midsize model features an integrated 1913 picatinny rail for accessories, and interchangeable backstraps.

    As mentioned before, the 509 M model ships with two (2) 15 round magazines or two (2) 10 round magazines for capacity restrictive states. However, the 509 Midsize model is also backwards compatible with the longer 17 round magazines from the standard 509 or the 24 round magazines from the FN 509 Tactical model, with the use of appropriate magazine grip sleeve (available from FN America).

    In addition to keeping all the popular features from the base 509, FN engineers also incorporated a few design changes including:

    • A slight change in the contouring around the magazine release button to allow for easier activation
    • A textured slide stop lever that offers better engagement
    • A flatter faced trigger for better trigger control

    Here are some of the more commonly asked questions that we’ve seen regarding FN 509 midsize holsters:

    Will FN 509 Midsize fit in a holster made for the regular 509? Or, does it have to have a special 509 Midsize holster?

    Based on our conversations with FN support and with FN sales reps, the FN 509 Midsize will fit into a holster made for the standard 509. Now, the 509 Midsize model will not fit into a holster made for the longer FN 509 Tactical model.

    I have a new FN 509 Midsize with a Streamlight TLR-2 HL mounted on it. Do you have an OWB holster for that configuration?

    Yes, we can. Most any OWB holster (or IWB holster) listed below is available in a configuration to fit that set-up.

    I’m looking for a duty style holster for my FN 509M. What do you have?

    So “duty holsters” normally references law enforcement style holsters with either a Level 1, Level 2, or Level 3 security retention. While we don’t really carry duty gear, we can offer a holster an FN 509 Midsize holster with a thumb break, which meets the requirements for a Level 1 holster.

    Do you carry any FN 509 Midsize IWB holsters to fit it?

    Any of the IWB holster models listed below are available in a version to fit the FN 509 Midsize. The most popular sellers are these:

    MTR Customer Adversary Clip-On Inside the Waistband Holster

    MTR Custom Tuckable Adversary Clip-On IWB Holster

    MTR Custom Slimline Deluxe IWB Holster

    I have an FN 509M with a Crimson Trace Railmaster CMR-206 mounted on it. I’m looking for a holster to fit this set-up, but I was wondering if I can have the holster made so the bottom of it is closed to protect the laser?

    A two-part question and here are the answers:

    (1)   We can and do offer holsters to fit the FN 509 Midsize with a Crimson Trace CMR-206 mounted to it.

    (2)   Yes, we can have the bottom of the holster closed to protect the laser or light.

    I'm looking for a kydex holster for my 509M? Do you have any?

    Currently, we do not carry any kydex holster brands, so we don't have any kydex to fit a 509M handgun.

    Do you offer any holsters to fit the FN 509 Midsize MRD handgun with the suppressor height sights and a red dot mounted?

    In addition to offering holsters for the basic 509 Midsize models, we also offer holsters to fit the 509 Midsize MRD with a miniature red dot sight or RMR mounted. To order a holster for the MRD model with a red dot mounted, you would also need to add the RMR or Red Dot Cutaway option that is available under the holster options. This option is necessary in order to fit the red dot.

    Ordering for the 509 Midsize MRD model also accommodates the taller suppressor height sight set-up found on the models with a threaded barrel.

    I landed on this page but I’m shopping for a holster made for the standard FN 509. Where are those holster options?

    If you are shopping for FN 509 holsters, go here: FN 509 Holster Models

    Can you make a holster to fit a FN 509 Midsize handgun with a threaded barrel?

    While the standard 509 Midsize models do not currently come from the factory with a threaded barrel option, MTR Custom an accommodate a threaded barrel mounted on a 509M.

    Do you offer anything to fit the FN 509 Compact pistol?

    We do, and those handgun holster options can be seen here: FN 509 Compact holsters.

    I have a FN 509 Midsize with a Crimson Trace CMR-204 laser sight mounted. Do you offer a holster to fit it?

    Most any of the holsters displayed below are available in a version for the FN 509M with most mainstream lasers mounted. The mainstream models currently being supported include Crimson Trace, LaserMax, Viridian, and ArmaLaser.

    Do you offer any holsters to fit the larger FN 509 Tactical pistol with a threaded barrel?

    Yes, we do and those holsters can be seen here: FN 509 Tactical holster options

    None of the holsters pictured below look like they are made to fit the FN 509 Midsize? Why?

    So, the pictures that we use for holsters are just sample models so you can get an idea of what the holster looks like and how it is designed to function. If you order an FN 509 Midsize holster from this page, it will be manufactured specifically for the FN 509 Midsize model.

    Any of the holsters listed below are made in a version to fit the FN 509 Midsize handgun.

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