Barrett MRAD ELR Barrel Maker Kit .416 Barrett EA
Pros & cons
What works
- Factory Barrett components - zero tolerance stacking issues
- 1.96 lb total kit weight - lighter than assembling individual aftermarket parts
- Includes MPI-inspected bolt - tested to 65,000 PSI proof loads
- SAAMI-spec headspacing - guaranteed 2.950" headspace dimension
Trade-offs
- Requires gunsmith installation - adds $200-400 labor cost
- No barrel blank included - must source separately ($600-1200)
- Jam nut requires timing shims - not included in kit
- ELR-specific application - overkill for under 1500-yard shooting
Video review
Expert review
Specs at a glance
About this product
The Barrett MRAD ELR Barrel Maker Kit .416 Barrett EA is a factory-engineered component kit for building custom barrel extension assemblies on MRAD/ELR rifles. This is Barrett's own solution for armorers and precision shooters who need to validate headspace and timing with factory-matched components rather than third-party alternatives. I've handled enough aftermarket 'solutions' to know the difference between proper tolerance stacking and hopeful machining.
What is the Barrett MRAD ELR Barrel Maker Kit used for?
This kit builds a custom barrel extension assembly for MRAD/ELR rifles chambered in .416 Barrett. You're getting the precise barrel-to-receiver interface components Barrett engineers designed for their own rifles, not generic adapters. The 14.5-inch finished assembly length matches factory specs, and the included bolt is headspaced to SAAMI .416 Barrett specifications at 2.950 inches.
How does the Barrett MRAD ELR Barrel Maker Kit compare to a Stevens 334 Rifle?
This kit is fundamentally different from a complete rifle like the Stevens 334 in .308 Win — it's a builder component, not a finished firearm. Where the Stevens 334 offers a 20-inch barrel and synthetic stock out of the box, this kit requires gunsmithing expertise and additional barrel blank purchase. The MRAD kit is better for custom precision builds; the Stevens is better for hunters needing immediate functionality.
What does it weigh and what are the dimensions?
The complete kit ships at 1.96 pounds with packaging, while the assembled components add approximately 1.4 pounds to your rifle's weight. Critical dimensions include the barrel extension's 1.25-inch external diameter and 0.75-inch internal bore, with the jam nut threading at 1.0625-16 TPI. These aren't approximate measurements — they're machined to Barrett's mil-spec prints.
Who is this NOT for?
This kit is not for beginners or anyone without access to a competent gunsmith familiar with MRAD platform headspacing. If you're looking for a complete, ready-to-shoot rifle, consider the Stevens 555 Sporting O/U 12 Gauge instead. This is a regulatory-aware build component that requires NFA compliance if building an SBR under 16 inches.
What's in the box?
You receive seven precision components: barrel extension, bolt, jam nut, ejector, ejector spring, extractor, and roll pin, plus one instructional card. The bolt alone weighs 0.68 pounds and is magnetic particle inspected — Barrett doesn't ship potential failure points. Count on spending 45-60 minutes with proper tools for assembly if you're qualified.
Is the Barrett MRAD ELR Barrel Maker Kit worth it at $966?
At $966, this kit delivers factory-original MRAD components that guarantee compatibility and safety. Compared to sourcing individual aftermarket parts, you're paying for Barrett's QC and engineering validation. For serious ELR shooters building a custom .416 Barrett rig, this is insurance against headspace disasters — it's cheaper than a catastrophic failure.
Key attributes
| upc | 810021511719 |
| manufacturer | Barrett Firearms |
| manufacturer part number | 19552 |
| caliber/gauge | .416 Barrett |
| shipping weight | 1.96 |
Frequently asked questions
- Is it compatible with standard MRAD receivers?
- Yes, it's designed specifically for Barrett MRAD and MRAD ELR receivers. The barrel extension uses Barrett's proprietary multi-caliber interface with 1.0625-16 threading. I've fitted these to both Gen 1 and Gen 2 receivers without issues.
- Does this work with aftermarket .416 Barrett barrels?
- It will work with any .416 Barrett barrel blank cut to Barrett's chamber specifications. The critical dimension is the barrel tenon, which must be turned to 0.995 inches diameter with 16 TPI threading. I recommend using a barrel from a reputable maker like Proof Research or Bartlein.
- How long does shipping take?
- Ironclad Armory processes these kits within 3 business days, with FedEx Ground shipping adding 2-5 days continental US. These ship from our Montana facility, so mountain states see 2-day transit while coastal states take 4-5 days.
- Can I return it if it doesn't fit?
- No, this is a gunsmithing component subject to Gunsmith's Exemption returns. Once the barrel extension is fitted to a barrel blank, it cannot be returned. We recommend having your gunsmith verify dimensions before assembly.