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Glock 43X Barrel – Threaded & Match-Grade Options

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Glock 43X Barrel – Precision, Performance, and Fit

Upgrade your Glock 43X with a match-grade barrel designed for precision, durability, and flawless compatibility. Whether you’re customizing your concealed carry setup or building a range-ready pistol, our selection of Glock 43X barrels offers tighter lockup, improved accuracy, and superior reliability in both threaded and non-threaded options.

Built from 416R stainless steel and CNC-machined to exact tolerances, these drop-in barrels are optimized for smooth cycling and long-lasting performance.


Key Features

  • Constructed from 416R stainless steel – corrosion-resistant and heat-treated
  • Threaded (1/2x28) and non-threaded models available
  • Match-grade bore and chamber for increased accuracy
  • Drop-in fit – no gunsmithing required
  • Available finishes: Black Nitride, Gold TiN, Chameleon, and Stainless
  • Compatible with OEM and aftermarket Glock 43X slides

📦 What’s Included

  • 1x Glock 43X Barrel
  • Thread protector (if threaded model)
  • Ships ready to install in Glock 43X or Glock 48 platforms

🔍 Compatibility

  • Glock 43X

  • Glock 43

  • Factory Glock slides or aftermarket options

  • Compatible with Polymer80 Slimline builds

  • Accepts compensators and suppressors (threaded models only)

All barrels are drop-in ready for quick and easy upgrades.


🎯 Why Upgrade to a Glock 43X Barrel?

  • ✅ Increase accuracy and consistency

  • ✅ Choose threaded versions for suppressors and compensators

  • ✅ Customize your pistol with finish and performance options

  • ✅ Improve lockup and fit over factory OEM barrels

  • ✅ Perfect for carry, range, or competition use


🧠 FAQs – Glock 43X Barrels

Q: Will this fit my Glock 48?
A: Yes. The Glock 43X and 48 use the same slide and barrel length. These barrels are compatible with both.

Q: Do I need a threaded barrel for a compensator or suppressor?
A: Yes. Choose the 1/2x28 threaded version if you plan to use a muzzle device or suppressor.

Q: Are these barrels drop-in ready?
A: Absolutely. Each barrel is CNC-machined to drop into your slide with no modifications needed.

Q: Is there a performance difference between finishes?
A: No performance difference — just visual customization. Black, Gold TiN, and Chameleon finishes offer unique looks for custom builds.


⭐ Customer Reviews

“Best barrel upgrade for my EDC.”
“Swapped out the factory barrel and noticed an immediate improvement in fit and accuracy. Went with the TiN and it looks awesome too.” – Nathan S.

“Smooth, easy install, and great value.”
“This threaded barrel dropped right into my G43X and paired perfectly with a comp. Feeds everything and groups tight.” – Amber G.


Shop Glock 43X Barrels at Mounts Plus

Whether you're upgrading for performance, preparing for a suppressor, or finishing off a custom Glock build, the Glock 43X barrel is one of the most effective upgrades you can make. Choose from a variety of finishes, profiles, and threading options to match your carry style or range setup.

Custom performance. Precision fit. Built for your Glock 43X.

Order your Glock 43X barrel now — in stock and shipping fast from Mounts Plus.