Description
The Meta Tactical MX-1 Ultimate Upgrade Kit takes a bare MX-1 conversion chassis and turns it into a fully dressed-out tactical setup. Instead of chasing down each accessory one at a time, you get six purpose-built pieces in a single box, all made to bolt right onto the MX-1's M-LOK and Picatinny real estate. It's a straightforward way to add control, aiming, illumination, and carry options without guessing at fitment.
What the MX-1 Ultimate Upgrade Kit Brings to the Table
The centerpiece is the forward spare magazine grip, which pulls double duty as a stabilizing front grip and a spare mag holder. It's set up to work with 9mm, .40 S&W, 10mm Auto, and .45 ACP Glock magazines, and the included shims let you dial in a snug fit for your specific mag. You also get front and rear polymer pop-up sights for a quick, compact aiming solution, plus left and right M-LOK thumb rests that let you tune your grip position for better recoil management.
Rounding Out Your MX-1 Build
Low light is covered with a high-output flashlight and its M-LOK mount, so you can add illumination exactly where you want it on the forend. The adjustable cheek rest helps you line up a consistent cheek weld with your sights or optic, which makes a real difference over longer range sessions. For carry, the kit includes a one-point sling with a push-button swivel, giving you fast transitions and easy on-and-off without a lot of snag.
A Matched Set for the MX-1 Platform
Since every piece is designed around the MX-1 chassis, you skip the headache of mixing and matching parts that may or may not line up. It's a popular pickup for folks who just finished a Glock conversion build and want to finish it right. Owners consistently note the parts are well made and functional, and even if you don't run all six accessories at once, having the extras on hand never hurts.
Key Specifications
- Manufacturer: Meta Tactical
- Model: MX-1
- Manufacturer Part Number: MTA-MX1-UUK
- UPC: 810108183372
- Color: Black
- Type: Accessory Upgrade Kit
- Compatibility: Meta Tactical MX-1 Conversion Chassis
- Mag Grip Calibers: 9mm Luger / .40 S&W / 10mm Auto / .45 ACP
- Mounting: M-LOK and Picatinny
- Sling Type: One-Point with Push Button Swivel
What’s Included
- Forward Spare Magazine Grip for 9mm/.40 S&W/10mm/.45 ACP (with fit shims)
- Front and Rear Polymer Pop-Up Sights
- Left and Right M-LOK Thumb Rests
- High-Output Flashlight with M-LOK Mount
- One-Point Sling with Push Button Swivel
- Cheek Rest
Frequently Asked Questions
What does the MX-1 Ultimate Upgrade Kit include?
The kit comes with six accessories built for the MX-1 chassis: a forward spare magazine grip, front and rear polymer pop-up sights, left and right M-LOK thumb rests, a high-output flashlight with M-LOK mount, a one-point sling with push-button swivel, and a cheek rest. It's designed as an all-in-one way to finish out your MX-1 build. Every piece mounts to the chassis using its M-LOK and Picatinny points.
Will the forward magazine grip fit my Glock magazines?
Yes, the forward spare magazine grip is set up to hold Glock magazines in 9mm, .40 S&W, 10mm Auto, and .45 ACP. It includes shims so you can snug up the fit for your specific magazine size. This lets it work as both a stabilizing front grip and a spare mag holder.
Is this kit the MX-1 chassis itself?
No, this is an accessory upgrade bundle, not the conversion chassis. You'll need the Meta Tactical MX-1 conversion kit to use these parts, since each accessory is designed to mount to that platform's M-LOK and Picatinny rails. Think of it as the finishing touches for a chassis you already own.
Do I have to use all six accessories at once?
Not at all. You can run whichever pieces fit how you want to set up your MX-1 and keep the rest as spares or swap them in later. Plenty of owners pick and choose based on their use, whether that's range time or home setup.





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