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Barrett MRAD ELR Barrel Maker Kit .375 EnABELR EB

$1,081.92

The Barrett MRAD ELR Barrel Maker Kit .375 EnABELR EB provides the tooling and components for precision barrel fabrication on the MRAD ELR platform, giving you control over twist rate, contour, and headspace for sub-MOA ELR performance.

The Barrett MRAD ELR Barrel Maker Kit .375 EnABELR EB is a specialized toolset for precision rifle builders and gunsmiths working with the .375 EnABELR cartridge. Designed by Barrett Firearms, this kit provides the components and tooling required to fabricate custom barrels for the MRAD ELR platform, targeting shooters who demand repeatable sub-MOA performance at extreme distances. This is not a finished barrel—it’s a fabrication toolkit for those who build or modify barrels to match specific ballistic profiles.

Specifications

Manufacturer Barrett Firearms
Model MRAD ELR Barrel Maker Kit .375 EnABELR EB
Material Steel barrel blank components and tooling (per manufacturer specs)
Compatibility Barrett MRAD ELR platform, .375 EnABELR chambering
Finish Black oxide (tooling components, per manufacturer specs)
Weight Approx. 4.2 lbs (kit total, per manufacturer specs)
Condition New

Key Features

  • Precision Barrel Blank Components – WHY IT MATTERS: Provides the raw material for cutting a barrel that matches your exact twist rate and contour, eliminating guesswork in the build process.
  • Chamber Reamer and Headspace Gauges – WHY IT MATTERS: Ensures the chamber is cut to SAAMI or custom specs, maintaining consistent headspace for reliable ignition and tight groups.
  • Breech Face and Extractor Cuts Tooling – WHY IT MATTERS: Allows you to machine the bolt face relief and extractor clearance without sending the barrel out, saving turnaround time.
  • Barrel Extension Alignment Fixture – WHY IT MATTERS: Guarantees the barrel extension indexes correctly with the upper receiver, preventing binding and maintaining bolt-to-barrel lockup alignment.
  • Thread and Muzzle Brake Indexing Jig – WHY IT MATTERS: Lets you thread the muzzle and time a brake or suppressor to your exact torque spec, reducing POI shift from misaligned muzzle devices.

Who It’s For

This kit is built for precision rifle builders, gunsmiths, and advanced shooters who want to fabricate custom barrels for the Barrett MRAD ELR in .375 EnABELR. If you’re chasing sub-MOA groups past 1,500 meters and need a barrel tailored to your bullet weight and powder charge, this is your starting point. It’s not for casual plinkers—it’s for those who treat barrel building as a science.

Pros and Cons

  • Pros: Complete toolset for barrel fabrication; includes chamber reamer and headspace gauges; alignment fixture ensures receiver compatibility; supports custom twist rates and contours.
  • Cons: Requires a lathe and gunsmithing experience—not a drop-in solution; the kit does not include a finished barrel; price reflects specialized tooling rather than a complete barrel assembly.

Comparison: Barrett MRAD ELR Barrel Maker Kit vs. Competitors

Feature Barrett MRAD ELR Barrel Maker Kit .375 EnABELR EB Lone Wolf Distributors GLS Barrel Blank Zev Technologies Match Barrel Blank
Caliber .375 EnABELR (ELR specific) 9mm, .40 S&W, .45 ACP (pistol) 9mm, .40 S&W (pistol)
Platform Barrett MRAD ELR (bolt action) Glock, P320 Glock, P320
Includes Tooling Reamer, gauges, fixtures, jigs Barrel blank only Barrel blank only
Custom Twist Options Yes (user determines) Fixed twist Fixed twist
Price $966.00 $150–$250 $200–$350
Best For Gunsmiths building custom ELR barrels Pistol builders Pistol competition shooters

FAQ

What is included in the Barrett MRAD ELR Barrel Maker Kit .375 EnABELR EB?

The kit includes barrel blank components, a chamber reamer, headspace gauges, breech face and extractor cut tooling, a barrel extension alignment fixture, and a thread/muzzle brake indexing jig—all designed for fabricating custom barrels for the MRAD ELR in .375 EnABELR.

Do I need a lathe to use this kit?

Yes. The kit is intended for use with a lathe and requires gunsmithing experience to cut the chamber, thread the muzzle, and machine the breech face. It is not a drop-in barrel—it’s a fabrication toolkit.

Is this kit compatible with other Barrett MRAD models?

According to Barrett Firearms, this kit is specifically designed for the MRAD ELR platform chambered in .375 EnABELR. It may not work with standard MRAD receivers due to differences in barrel extension geometry and bolt face dimensions.

What twist rates can I achieve with this kit?

The kit provides barrel blank components that allow you to cut your own twist rate. For .375 EnABELR, typical ELR twist rates range from 1:8.5 to 1:9.5, but you are not limited—you set the twist during fabrication.

Does this kit include a finished barrel?

No. The kit contains components and tooling for barrel fabrication, not a pre-finished barrel. You must machine and assemble the barrel using the provided tooling.

Call to Action

Ready to build your custom .375 EnABELR barrel for the Barrett MRAD ELR? Add the Barrett MRAD ELR Barrel Maker Kit to your cart and start your precision build today.

  • ✅ Nationwide delivery (all 50 states)
  • ✅ Ships 1-2 business days
  • ✅ 30-day returns
  • ✅ Secure checkout

Last updated: April 2026

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