McGowen Precision Barrels

Accuracy Got You Over A Barrel?  We’ll Straighten Things Out!

Your Source For True Custom Precision Replacement Rifle Barrels.

Simply Accurate

The McGowen Precision Barrels name is making an impact in the industry, not only in hunting rifles, but are now becoming a favorite of long range competition shooters. Born from a proud history of master barrel maker Harry McGowen, McGowen Precision Barrels continues to push the boundaries of accuracy.  

Gunsmithing Services

From installations on bolt action, lever action and single shot rifles. We can install your barrel, sights, scope bases or sling swivels. We can also cut dovetails or drill & tap your receiver for scope mounts. While we don’t offer every service, give us a call or send us an email and we’ll discuss your needs and how we can help you achieve your goals.

Prefit Barrels

Need it fast?  Check out our available replacement Pre-Fit Barrels.  These barrels are chambered, threaded and crowned.  Get shooting lightning fast! Prefit, custom rifle barrels available for replacement Savage, Remington, Ruger, Winchester, AR-15s and lots more. 

Estimated Days To Ship

These times are rough estimates based on the current production schedule.  Each barrel is different.  When ordering, we will let you know our best estimate for your particular barrel.

In-Stock Prefits

1 Day

Semi-Custom Rifle Barrels

8+ Weeks

Full Custom Rifle Barrels

16 Weeks

Check Out Our Customer Gallery & News

Check out our gallery of customer's pictures 

NEED CUSTOM? McGowen Has You Covered!

McGowen Precision Barrels is your source for true custom barrels.   All of our barrels are true customs.  Crafted to your specific needs, and hand lapped and finished just for you. Use this handy order form to spec out your dream barrel.  
Choose Your:
  • Material
  • Length
  • Caliber & Twist
  • Contouring
  • Chambering, Threading…
  • & More!
Spec Out Your CUSTOM Barrel

Fax Your Order:
If you prefer to fax in your order, please use this fax form. 
McGowen Fax Order Form



  • McGowen Phones

New Phone System

September 8th, 2015|0 Comments

We have installed a new, more modern phone system and are working

  • Now-Hiring McGowen Precision Barrels

Now Hiring! Barrel Lappers

August 14th, 2015|0 Comments

Live in the Kalispell, MT area and interested in working in the

  • WY-SHOT 2015

Ridge Runner Custom Gunworks – Brag Shots

July 24th, 2015|1 Comment

Just wanted to give the staff at McGowen a huge thanks. I

  • Happy Customer .18"

7mm Mag at 100

July 24th, 2015|0 Comments

A quick email from a happy customer. 7mm Mag at 11

Shop Our Most Popular McGowen Pre-Fit Barrels

Shop and Spec a Custom or Semi-Custom Barrel

Professional Barrel Services

  • Barrel Installations on Bolt Action, Lever Action and Single Shot Rifles
  • Install Sights
  • Install Scope Base or Sling Swivels
  • Get your Favorite Firearm Blued
  • Cut Dovetails or Drill & Tap For Scope Mounts
  • Custom Contouring
  • Octagon and Dodecagon Facets
  • & Tons More!  Check out our services page to find out the details!


Check out our current available inventory of barrel blanks. Unturned, and ready for you to customize or bring to your gunsmith.