World’s First Bullpup Style Pistol-to-Rifle Conversion Kit from Meta Tactical – SHOT Show 2022

Pistol chassis can improve accuracy and stability, but these days, shouldering a firearm with a barrel less than 16” is a risky proposition.

The ATF is set to release a new rule that will treat “stabilizing braces” like any other kind of stock, which will require many pistol chassis owners to apply for a $200 tax stamp to turn their pistols into short-barreled rifles.

Enter the APEX-Series Carbine Conversion Kit (CCK) from Minnesota-based Meta Tactical. The APEX is the world’s first bullpup style CCK, and it avoids those pesky federal firearms laws by including a 16-inch barrel in the kit.

Just pop in the new barrel, slide the gun into the bullpup chassis, and you’re good to go.

The APEX will be available for full- and mid-sized Glock, P80, and Smith & Wesson handguns chambered in 9mm, .40, .45, and 10mm. Company reps told us that they plan to add SIG Sauer and Springfield in the spring or summer.

Meta will offer the chassis in black, stealth grey, OD green and flat dark earth, and the full kit will retail for $599.99. The company is taking preorders now, and units will start shipping at the end of February.

We got a chance to see the product for ourselves at SHOT Show 2022. The chassis appears well built, and it shoulders comfortably. The bullpup design allows the entire rifle to stay within 26” fully extended so that 16” barrel doesn’t impact maneuverability.

The forward charging handle manipulates the slide, and the trigger mechanism on the chassis pulls the trigger on the gun. The trigger felt heavy but usable when we tried it on the show floor, but we’ll need to run a full test and review to verify the efficacy of this component.

The chassis works with the spring and guide rod that comes with the user’s handgun.

Company reps told us that the longer barrel practically eliminates recoil impulse and reduces shot report, and the chassis allows users to make more accurate shots at longer distances than the stock pistol. The 16” barrel also adds another 200 fps to a 9mm, depending on the load you’re using, according to Ballistics by the Inch.

The muzzle device is included in the package, but unfortunately, the APEX barrel uses a custom thread pattern, so users won’t be able to affix a suppressor.

Additional features include:

  • Adjustable stock 
  • Magazine release button
  • Standard pop-up sights 
  • Flat top AR-15 grip compatible
  • Built in cheek rest
  • Non-reciprocating charging handle
  • M-Lok accessory compatible
  • Quick-disconnect sling compatible

Click HERE to check out the APEX-Series for yourself.

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About the author: Jordan Michaels has been reviewing firearm-related products for over six years and enjoying them for much longer. With family in Canada, he’s seen first hand how quickly the right to self-defense can be stripped from law-abiding citizens. He escaped that statist paradise at a young age, married a sixth-generation Texan, and currently lives in Tyler. Got a hot tip? Send him an email at

{ 2 comments… add one }
  • DaveL January 27, 2022, 8:53 am

    I’m one of the 12% of people that are left handed. This rifle is useless for us unless you like hot brass hitting you in the face, chest or arm. At least the guys that invented the AUG made it so it could be reconfigured to eject from ether side.
    A number of years ago I bought a “rifle kit” for one of my 1911s that included a 16″ barrel. I was lucky to keep 7 rounds in a milk jug at 15 yards. There just wasn’t enough support for the barrel with a pistol slide. I’ve had very rusty bores on old mil-surplus guns that were more accurate than that rifle kit was. If this new bull-pup “rifle” was left handed compatible and I wanted one, I would at least wait until I read an article or two about the accuracy of this configuration. Due to my experience with a 16″ barrel mated to a pistol slide, I have my doubts as to it’s accuracy potential.

    • Tommygun851 January 27, 2022, 1:24 pm

      I have an MCK pistol conversion kit and that kit won’t work with anything longer than stock length barrels because when the slide goes back and drops in the frame the front of the barrel tips up and hits the faux barrel shroud on the kit. In order for this thing to work, the pistol has to be able to pivot inside the frame of the kit. As to accuracy, with all of the moving parts that need to move, I can only believe that accuracy could only be acceptable at best but still a fun gun to shoot! The triggers on bullpup kits are notoriously bad but with some geometry changes to the Glock trigger, that could be improved.

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