A Hybrid P365 – the Best of Both Best Worlds

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Hybrid P365

The P365 was the first gun to find a way to shove double-stack capacity into a single stack size. I got my hands on one as soon as I could, and it’s been my EDC since. Over time SIG has capitalized on the P365’s success and release two additional models, the SAS, and the P365XL. The longer slide is great, but the bigger frame — for some folks anyway — not so much. T

he gun’s longer grip does limit you to 12 and 15-round magazines and the bigger grip makes the gun harder to conceal, especially when you carry IWB. To me, the perfect option was a hybrid P365, with the XL slide mounted on a standard P365 frame.

Hybrid P365 EDC

Mood on Friday.

As of right now, that isn’t an option from SIG, so you are forced to do what I did and make your own. The cheapest method is likely to purchase a P365XL and then a standard grip frame. Since I already owned a standard P365, I found an XL slide for sale and snatched it up.

If you are like me, a two-tone model strikes your fancy, and therefore I went with the coyote option on a black frame.

Why The Long Slide Rules

This hybrid P365 gives you the best of both worlds as far as I’m concerned. The longer slide gives you a few inherent advantages. The most important is the longer sight radius. This makes it easier for you to shoot accurately. The longer slide also adds a little more weight, which reduces muzzle flip and increases control over the weapon.

The XL slide also comes with the ability to mount an optic. It uses the Shield RMSc footprint. Options for these micro-sized red dots are somewhat limited but growing. Currently, Holosun, SIG, and Shield produce micro red dots, and Swampfox and Riton are both planning to introduce one.

Red dots on handguns are the future, and they make shooters faster, more precise, and the ability to engage at longer ranges.

Hybrid P365 with XL slide.

I haven’t gotten a micro red dot yet, but I do plan to make that my next investment. A red dot, the P365’s capacity, and my TLR 6 would make the hybrid P365 one of the most modern concealed carry friendly firearms on the market.

Why the Standard P365 Frame is a Better Choice

The standard P365 frame is smaller but still offers me a full grip, and that’s all I need. A smaller grip means the weapon is ultimately easier to conceal than the larger XL grip. The XL grip also limits you to using the 12 or 15-round magazines. The standard frame allows you to use 10-round magazines.

This includes the flush-fitting ten rounder magazine that will let you maximize concealment and prevent unsightly bulges. Plus, who knows when magazines may get hard to find? Having access to the full range of magazines is a definite advantage. The hybrid P365 does it all.

Disadvantages

Of course, the downsides exist to everything, right? The hybrid P365 has an unavoidable downside. The simple fact is that the longer barrel and slide increase the weapon’s overall weight. If you carry OWB, then you may find the weapon harder to conceal due to the longer barrel.

Hybrid P365 with OWB holster

If you like pocket carry or ankle carry, then you may find the larger design ultimately tougher to deal with and harder to conceal. If those are your methods of carrying, then I’d stick to the classic P365 or the P365 SAS.

Overall, the disadvantages are far outweighed by the advantages. The disadvantages are also impossible to resolve if you take the hybrid P365 route. It’s just part and parcel.

Range Time

The XL frame and the standard frame are identical in most ways, and most importantly, they are identical at the points where the slide meets the frame. This ensures the hybrid P365 is reliable and functions without issue. The installation is seamless, and there are no interface issues.

It snaps on, and bam, you are ready to rock and roll. At the range, the hybrid P365 is a smooth shooter. Muzzle flip is reduced, especially when you start using self-defense +P ammunition. That’s where you start seeing how much .6 an inch can help with control.

Hybrid P365 range time

Game time – pain time.

The P365 has a 3.1-inch barrel, and the P365XL has a 3.7-inch barrel. For a reference point, the Glock 19 has a 4.01-inch barrel, and the subcompact Glock 26 has a 3.43-inch barrel length. The increase is somewhat substantial. That extra length can give you an extra 100 feet per second, depending on the 9mm load utilized.

Accuracy and small guns are always tough, but the extra length makes it a bit easier to be precise. This doesn’t necessarily expand your effective range as much as it allows you to be more precise inside of your effective range. Nailing headshots, destroying Dot Torture targets, and cutting your par times for those distant shots are where you see the difference.

Living the Hybrid P365 Life

The hybrid P365 is a fun shooter that’s accurate, controllable, and easy to conceal. I can’t believe SIG hasn’t offered it as a stock model yet. The industry is full of custom shops doing grip chops for all manner of firearms. The P365 design luckily makes this a custom shop free affair. It’s the perfect combination as far as I’m concerned.

Hybrid P365 in hand

It’s still small and comfortable.

Just so you fine folks know, if you choose to take this route, you’ll need P365XL holsters. There are no issues to speak of with fitment on P365XL holsters. As mentioned, the frames are very similar, and the main difference comes in at the height portion of each grip. I’ve been carrying mine in a Crossbreed Dropslide OWB with a Streamlight TLR 6 and have found it to be incredibly comfortable, and it’s a gun that disappears quite easily. At the same time, I feel more comfortable with the longer slide because I feel it ultimately performs better and gives me a bigger advantage in a gunfight. At the end of the day, the hybrid P365 might be my EDC for a long time to come.

Read the SIG P365 files [all our P365 related articles]

Pistol mags: you need some? We have ’em for every conceivable handgun make and model.

Travis Pike: read more of his articles.

Travis Pike is a former Marine Machine Gunner, a lifelong firearms enthusiast, and now a regular guy who likes to shoot, write, and find ways to combine the two. He holds an NRA certification as a Basic Pistol Instructor and is the world’s Okayest firearm’s instructor.

  • Daryl

    Where can I find the P365XL slide to make this happen?

    • David Bill

      Several places have them. I recommend Osage County guns for most things P365/P365XL related. They even have pretty good prices available on mags with them being available most of the time under 40 bucks. They have stripped XL slides for 229
      https://osagecountyguns.com/sig-sauer-2700180-01-r.html

  • drofnas

    I did just the opposite. I swapped the XL frame onto my standard 365. I was carrying it with the 12 rounders anyway. Love, LOVE, love it. Perfection.
    I call mine the P365X. I would call yours the P365L. There you go!!

    • David Bill

      That’s exactly what I’m going to do and also what I’m going to call mine. I also prefer 12 or 12+1 in mine. I have the XL grip module and 3 flush base pads for the 12rd mags waiting for when I get home from my military deployment.

      • drofnas

        Perfect. Thank you for doing the job!

    • Robert Skinner

      Roger that! I did the exact same thing. I like the frame and grip size of the XL, and the original P365 slide was perfect already. It carries and shoots like a dream. I have a Viridian reactor green laser mounted on it. I love this hybrid.

  • Jon D

    You need slide, barrel, and recoil spring of the 365xl or if you have the xl already then you need the grip frame complete with fire control system of the 365.

    Or you need both pistols that you’re willing to cannibalize to get one hybrid. No matter how you cut it, it’s an expensive proposition.

    • David Bill

      That’s not true at all. You only need the 365 grip frame if you have the XL. The fire control unit is the same for both with the exception of the XL flat trigger. I’m making my P365 X simply by swapping my P365 module into an XL frame and replacing the base pads on my 12rd mags.

      • Jon D

        Ok, I agree with that. You can indeed swap out the FCU from one grip frame to another.

      • drofnas

        This is exactly what I did. Standard P365. XL grip module. 12 rounders with flat baseplates. Done. About $75 to convert if you have the 12 rounders. Love it. Runs great.

  • Jeff Gold

    Why not add a threaded barrel and a compensator to keep the barrel from rising.

  • Michael Kerr

    I went with the XL grip module on mine. It feels better and shoots better for me.

  • Eric Stephans

    I went a with the standard P365 and had Maple Leaf Firearms precious cut the slide, added the Sig Romeo Zero and flat trigger. Finished it off with a Tribe Suppressor barrel to achieve 4.0 barrel length and made one nasty little daily carry….This option was like getting the trigger and Romeo Zero for free instead of buying another half of a gun

  • F Paul Valone

    An interesting exercise, but I disagree that the XL is hard to conceal. I carried a 365 until Sig came out with the XL, and then switched. With a flush magazine, it does not print through clothing appreciably more than the basic 365. In fact, it is almost exactly the same size as the single-stack Kahr K9 I carried for 15 years.