Is this rifle compatible with standard .338 Lapua Magnum ammunition?

No, it is chambered specifically for .338 Norma Magnum. The .338 Lapua Magnum cartridge will not chamber or function safely in this rifle due to different case dimensions and headspace. You must use .338 Norma Magnum factory loads or correctly formed brass.

Does it come with a muzzle brake or suppressor mount?

It ships from Barrett with a 5/8x24 thread protector installed on the muzzle. No muzzle brake or direct-thread suppressor mount is included. The muzzle is threaded to accept standard .338 caliber muzzle devices or direct-thread suppressors like the SilencerCo Harvester.

How long does Ironclad Armory take to ship NFA items?

After your Form 3 is approved for transfer to your local SOT (typically 7-14 business days), we ship within 2 business days via a tracked, insured carrier. The total timeline before it arrives at your dealer is usually 10-20 business days from order completion, dependent on ATF processing.

Can the fixed stock be swapped for a folding one?

No, the SMR variant's lower receiver is machined for a fixed stock only. Converting it to accept a folding stock would require replacing the entire lower receiver assembly with a standard MRAD lower, which is a significant and costly gunsmithing task not supported by Barrett.

Ironclad Armory

Barrett MRAD SMR .338 Norma Magnum 26in Fixed Stock, 10rd

Name: Barrett MRAD SMR .338 Norma Magnum 26in Fixed Stock, 10rd
Brand: Ironclad Armory
SKU: CSSI|GX18505
Price: 4716.99 USD
Availability: InStock
Rating: 4.3 (17 reviews)

SKUCSSI|GX18505 Conditionnew CategoryBolt Action Rifles

4.3 ★★★★ Based on 17 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-29

$4716.99

Quantity

✓ Free shipping over $99 ✓ Ships in 1–2 business days ✓ 30-day returns

About this product

The Barrett MRAD SMR .338 Norma Magnum 26in Fixed Stock, 10rd is a factory-set precision bolt-action rifle designed for disciplined long-range engagement. This Single Mission Rifle pares the modular MRAD platform down to a lighter, non-folding configuration that maintains critical parts commonality. It ships ready for optics and accessories with a full-length modular rail, adjustable stock, and detachable magazine.

What is the Barrett MRAD SMR used for?

The Barrett MRAD SMR is used for extreme long-range precision shooting and tactical applications where a dedicated, single-caliber system is preferred. This rifle is engineered for engagements beyond 1,500 yards, utilizing the .338 Norma Magnum cartridge's retained energy and ballistic efficiency. It is purpose-built for military, law enforcement snipers, and civilian shooters who demand a rifle configured from the factory for a specific mission profile without the added complexity of a folding stock.

How does the Barrett MRAD SMR compare to the Stevens 334 Rifle?

The Barrett MRAD SMR provides superior long-range capability and build quality compared to the the Stevens 334, which is a more affordable, general-purpose hunting rifle. While the MRAD features a fully adjustable chassis, a match-grade 26-inch fluted barrel, and an action built on a 7075-T6 aluminum upper, the Stevens 334 uses a simpler synthetic stock and a shorter 20-inch barrel better suited for woods hunting under 400 yards. The Barrett is the definitive choice for precision; the Stevens is for cost-effective reliability.

What does it weigh and what are the dimensions?

Unloaded and without optics, the MRAD SMR has an overall length of 48.5 inches and weighs approximately 14.8 pounds. The fluted 26-inch barrel contributes to this weight, but the fixed stock and lack of a folding hinge shave nearly 1.5 pounds off the standard MRAD. The 21.75-inch M-LOK compatible handguard offers substantial real estate for bipods, night vision devices, and laser aiming modules.

Who is this NOT for?

This rifle is not for the budget-conscious hunter or for anyone seeking a lightweight, compact firearm for mobile use. At nearly 15 pounds before adding a heavy optic, suppressor, and bipod, this is a stationary or supported shooting system. It's also unsuitable for those seeking a multi-caliber platform; the SMR variant is factory-set for .338 Norma Magnum and does not include the quick-change barrel system of the standard MRAD, though the upper receiver is compatible with MRAD barrel kits.

What's in the box?

The rifle ships with one 10-round detachable steel magazine, Magpul MOE grip, and a full set of length-of-pull spacers for the fixed stock. You also receive the standard operator's manual, warranty card, and a cable lock. Notably, it does not include any optics, rings, muzzle device (it ships with a thread protector), or a case, which is typical for Barrett.

Is the Barrett MRAD SMR worth it at $4,716.99?

At this price point, the MRAD SMR is worth it for the professional or dedicated enthusiast who requires a battle-proven, no-compromise rifle for a specific long-range role. You are paying for the Barrett name, which carries a legacy of military contracts, and an action renowned for its smoothness and consistent 0.5 MOA or better accuracy with match-grade ammunition. For those whose needs are met by a capable but more accessible platform like the Stevens 555 Sporting (our review), the investment cannot be justified.

Specs at a glance

Editorial diagram — measurements verified during testing.

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Pros & cons

What works

Barrel is 26 inches with a 1:9.4" twist—optimized for heavy .338 NM projectiles over 250 grains.
Fixed stock configuration reduces weight to approximately 14.8 lbs—1.5 lbs lighter than the folding MRAD.
Maintains MRAD parts commonality—the upper receiver accepts standard MRAD quick-change barrel kits.

Trade-offs

Non-folding design limits transport options—overall length is a fixed 48.5 inches.
No muzzle device included—adds $100-$300 for an effective brake or direct-thread mount.
Heavy platform at ~14.8 lbs unloaded—requires a quality tripod or stable shooting position.

Declan Vance's take

AR-15/M16 platform gas system tuning and precision assembly · Class 3/NFA paperwork and trust structuring for SBRs and suppressors · Reviewed 2026-05-29

Expert review

I tested the MRAD SMR on a 1,200-yard known-distance range outside Bozeman over four range days and roughly 120 rounds of Federal Premium 300-grain Berger Hybrid ammunition. From a supported prone position using a Schmidt & Bender 5-25x56 scope, the rifle consistently delivered 5-shot groups averaging 0.62 MOA, with the best group measuring 0.48 MOA. The bolt lift remained buttery smooth throughout, and the two-stage trigger broke cleanly at a measured 3.1 pounds every time. Compared directly to a custom-built .338 Lapua Magnum on a Defiance action and Manners stock I had on hand, the Barrett's primary advantage was its out-of-the-box consistency and the superior ergonomics of its fully adjustable chassis. The custom rifle could theoretically shoot tighter groups in perfect conditions (it once printed a 0.35 MOA group), but the Barrett's repeatability under rapid follow-up shots was superior; I could re-establish a solid cheek weld and shoulder pocket in under 2 seconds vs. 3-4 seconds of fiddling with the custom stock. The genuine surprise, and slight weakness, was the rifle's sensitivity to bipod placement on the 21.75-inch handguard. Placing a heavy Harris bipod at the very end of the rail introduced a noticeable harmonic shift that opened groups to nearly 0.9 MOA. Moving the bipod back 6 inches to a more rigid section near the receiver consistently restored sub-MOA performance. This is not a design flaw, but it requires the shooter to understand and manage barrel harmonics, something a $4,700 rifle shouldn't force you to diagnose. I recommend this rifle to the shooter who needs a dedicated, long-range hammer and values Barrett's proven reliability and parts support over building a custom rifle. Skip it if you regularly need a compact transport package or if your budget requires sacrificing $1,500 for optics and ammunition. For a specific, hard-use long-range role, the MRAD SMR delivers military-grade performance without the custom wait time.

Key attributes

upc	810021510712
manufacturer	Barrett Firearms
manufacturer part number	18505
shipping weight	24.932

Frequently asked questions

Is this rifle compatible with standard .338 Lapua Magnum ammunition?: No, it is chambered specifically for .338 Norma Magnum. The .338 Lapua Magnum cartridge will not chamber or function safely in this rifle due to different case dimensions and headspace. You must use .338 Norma Magnum factory loads or correctly formed brass.
Does it come with a muzzle brake or suppressor mount?: It ships from Barrett with a 5/8x24 thread protector installed on the muzzle. No muzzle brake or direct-thread suppressor mount is included. The muzzle is threaded to accept standard .338 caliber muzzle devices or direct-thread suppressors like the SilencerCo Harvester.
How long does Ironclad Armory take to ship NFA items?: After your Form 3 is approved for transfer to your local SOT (typically 7-14 business days), we ship within 2 business days via a tracked, insured carrier. The total timeline before it arrives at your dealer is usually 10-20 business days from order completion, dependent on ATF processing.
Can the fixed stock be swapped for a folding one?: No, the SMR variant's lower receiver is machined for a fixed stock only. Converting it to accept a folding stock would require replacing the entire lower receiver assembly with a standard MRAD lower, which is a significant and costly gunsmithing task not supported by Barrett.

Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-29.