The Beretta CX4 Storm carbine was originally released back in 2003. It’s had a fairly mediocre first decade, being mostly overshadowed by “real” black rifles like AR and AK variants. But it’s no secret that I’m a sucker for pistol caliber carbines, and I want to do my part to give some extra exposure to Beretta’s underdog.

I’ll be honest, though: the CX4 is not a great firearm. In its stock form, it’s pretty good, but it needs a little help to tap into its full potential. So in case you’re looking for some new ideas for how you can be quickly parted from your money, here’s what I’ve done to get the most out of my CX4.

Suppressed SBR Beretta CX4 Storm 9mm

Out of the box, the CX4 isn’t too bad when considered for what it purports to be — a reliable, lightweight, compact self-defense carbine in 9mm or .40S&W that uses the common Beretta 92 series or PX4 series magazines. When you consider the $915 MSRP, it’s… ehhh, only okay. Fortunately, real world prices often hover closer to the $650-700 range. So if you find a deal, and add a little imagination, you can end up with a pretty slick little package.

9mm Beretta CX4 Storm SBR

As it arrives from the factory, the extra few inches of barrel at the muzzle-end of the Storm are quite tragic. The unnecessary extra length spoils the otherwise compact profile and quick handling characteristics of the CX4 for purely legal reasons. So after a lengthy wait for the return of my “Mother, may I” ATF form, I had the last 4.5 inches of the barrel unceremoniously hacked off, and the muzzle threaded for a suppressor; in this case, an AAC Ti-Rant 9. The suppressor is made from lightweight titanium and aluminum, so after shortening the barrel, the net result is no discernible change in weight but now it can be fired without hearing protection using subsonic 9mm ammo.

The other major change I had to make was internal. One of the often-maligned attributes of the Storm is the mushy, heavy trigger pull. Mine weighed in at 11 lbs., and was about as crisp as a wet noodle. That was easily remidied with a replacement trigger and hammer from Sierra Papa, a small company specializing in custom aftermarket parts for the CX4.

To top it off, I added an Aimpoint H1 micro red dot optic. I didn’t want to add any more bulk to the CX4 than necessary, and the H1 weighs only 3.7 oz with the mount.  Unfortunately, it had to be sent back to Aimpoint for some warranty work, so filling in for the time being is the larger Aimpoint Pro. Still a good fit for the CX4, though the carbine is not currently quite as svelte as before.

Beretta CX4 Storm 9mm SBR

A final addition was the DeSantis Storm Packer, a buttstock mounted storage pouch. It holds two magazines, which is nice if you want to store the rifle unloaded but still ready to go. However, I actually got it to prevent the factory cheek pad from yanking out my beard hair, as it is prone to doing.

Even though all these mods have raised the overall cost of this CX4 up to premium AR-15 territory, this CX4 will never have the power or modularity of an AR-15. But it’s a blast to shoot, it’s a very maneuverable home defense carbine, and can be fired at almost any shooting range, indoor or outdoor.

Custom Beretta CX4 Storm Specs

Beretta CX4 Storm 9mm

Caliber: 9mm
Overall Length: 25″
Barrel Length: 12″
Weight (without accessories): 5.55 lbs
Magazines: Beretta 92 series (pictured with 20-round Mec-Gar extended magazine)
Suppressor: AAC Ti-Rant 9
Optic: Aimpoint Pro
Sierra Papa trigger and hammer
Desantis Storm Packer stock pouch

 


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  • Douglas Stamper

    I be likin this little sweetie!

  • Robert Petrick

    AWSOME. Small quick , can I have a free. One.

  • Johnathan A. Hamon

    When is Glock going to come out with a carbine? The sub 2000 will except the Glock mags, but they are hard to get in the caliber I want and If Glock made a carbine I would buy it.

  • Lanette Atkins

    I am interested in more info about suppressors and the differences in suppressors offered by different companies.

  • Tim Watson

    Questionable legality. How did you get around 922r? What ten parts did you replace after threading the barrel?

    • LG Chris

      That’s not quite how 922r works. The “ten parts” rule refers to the maximum number of imported parts, not the number of replacement parts required. And I replaced enough of the internals with US made parts to make it compliant. This article explains it pretty well: http://www.tapco.com/section922r/

      • Michael Goad

        Hi Chris, I sent an email via the contact form on the site.I am curious to what ten parts you replaced. I am brain numb trying to figure this out for my own project. Thank you in advance for your reply via email if possible.

        • http://www.luckygunner.com/lounge LG Chris

          Michael, I don’t think your email came through. Give it another try.

          • Michael Goad

            Hey Chris, I sent the email through again. Thank you Sir.

          • Michael Goad

            Forgot to mention, I am a fellow Tennessean, Chattanooga to be exact.

  • Alberto Espinal

    Waoo that is so nice I like it

  • Kenny Kameroff

    i want one

  • Joe Mcdonnell

    nice piece

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  • Alex Von Qool

    Looks good. The suppressor is just threaded on. How often do you need to tighten it?

  • Tom Eiklid

    I have one NIB in .40 S&W. With a Baretta Class III supressor. Great balance but I have no need for it anymore. Any takers?

    • Keri Jones Hill

      How much?

    • Tom Eiklid

      Keri Jones Hill I’m not really sure of the going price, let me look into it. It you’ll send me a PM on Facebook we can talk more as long as you have a Class III stamp

    • K Conway

      Yes, still available?

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  • Jason Ott

    Chris,

    Where Did you engrave it when your SBR’d the rifle?

    • http://www.luckygunner.com/lounge LG Chris

      I used a local guy here in Knoxville. It was his first engraving attempt on a polymer receiver so he did it for free.

  • Dale

    Who shortened and threaded the barrel?

  • http://batman-news.com What the What

    Ive had one since 2005 in .40 and there hasnt been a day that Ive shot it that I didnt say I love this gun. I always see people say they dont like the sights or dont like the trigger but I’ve enjoyed it straight out the box. I can put 10 180gr rounds within 8 inches of each other at 100 yrds at the range. Lighter rounds spread a lot at that distance, but at realistic shooting distances like 25 yrds-75yrds I have no problem trusting my life to this gun, Unless its an armed and masked Hippo, then Im going to need something a little different. 165gr ammo at 25-50yrds will leave a giant hole right in the middle of your target where paper use to be. Its definately one of my favorites