9mm Barrel Assemblies | Liemohn Manufacturing

9mm Barrel Assemblies

Precision 9mm barrels built from 4140 steel blanks — chrome-lined, threaded, and ready for your DOE or AR-9 platform build.

Product Overview

Engineered for superior accuracy and reliability, Liemohn Manufacturing's 9mm Barrel Assemblies are precision-machined from 4140 chrome-moly steel blanks and finished with a durable chrome-lined bore for maximum longevity.

Each assembly includes a pre-installed front sight base and compatible hardware, providing drop-in readiness for your 9mm AR builds. Designed for DOE-style or AR-9 upper receivers, these barrels deliver a period-correct aesthetic and reliable modern performance.

Threaded 9mm barrel assembly

Threaded Barrel Assembly

Our Threaded 9mm Barrel Assembly features thread options in 1/2x28 or 1/2x36, allowing compatibility with a wide range of muzzle devices and suppressors. Perfect for modern builds requiring versatile muzzle attachment options.

* Displayed with optional flash hider (not included)

⚠️ Must specify thread pattern (1/2x28 or 1/2x36) at time of order

Specifications & Features

  • Available threaded in 1/2x28 or 1/2x36
  • Chrome-lined bore and chamber for extended wear life and ease of cleaning
  • Manufactured from heat-treated 4140 steel blanks
  • Front sight base and mounting hardware pre-installed
  • Optimized for DOE-style or AR-9 upper receivers
  • Precision-machined in the USA
🔥 New Lower Price
$435

📞 Phone: (253) 632-5643

✉️ Email: machineguntom4@yahoo.com

Non-threaded 9mm barrel assembly

Non-Threaded Barrel Assembly

Our Non-Threaded 9mm Barrel Assembly delivers authentic OEM-style aesthetics for period-correct DOE builds. Features a clean, traditional muzzle profile ideal for collectors and retro enthusiasts.

Specifications & Features

  • OEM non-threaded style muzzle for period-correct builds
  • Chrome-lined bore and chamber for extended wear life and ease of cleaning
  • Manufactured from heat-treated 4140 steel blanks
  • Front sight base and mounting hardware pre-installed
  • Optimized for DOE-style or AR-9 upper receivers
  • Precision-machined in the USA
🔥 New Lower Price
$400

📞 Phone: (253) 632-5643

✉️ Email: machineguntom4@yahoo.com

Liemohn MFG, LLC, ©2025 – All rights reserved

Contact

OPENING HOURS