Description
Barrett took everything people love about the MRAD and asked a simple question: what if you already know exactly what caliber you want? The answer is the SMR, short for Single Mission Rifle. Instead of the multi-caliber barrel swap system, this one is set up from the factory in .338 Lapua Magnum and stays that way, with a free-floated 26 inch fluted match-grade barrel secured in the upper receiver with a standard barrel nut. Dropping the caliber-conversion hardware and folding stock mechanism slims the rifle down and shaves roughly 2.5 pounds compared to the standard MRAD, all while keeping about 90 percent parts commonality and the same .75 MOA accuracy guarantee.
What the MRAD SMR Gets Right
The monolithic upper receiver is machined from 7000-series aluminum with a full-length 21.75 inch M1913 Picatinny rail up top, complete with built-in taper so you have plenty of elevation for stretching the .338 Lapua way out there. The 1:9.4 twist barrel stabilizes the heavy match bullets this cartridge was built around, and the whole thing wears a Tungsten Gray Cerakote finish that holds up to real field use. The trigger is a fully adjustable match-grade module you can tune to your preference, and the thumb safety and controls are laid out to be intuitive from either side.
A Fixed Stock That Still Fits You
Fixed does not mean one-size-fits-all here. The buttstock carries a vertically adjustable cheek piece so you can get proper eye alignment behind a big scope, plus spacers for length of pull adjustment. Once it is set for you, it stays put, which is exactly what you want for repeatable positioning shot after shot.
Feeding the Barrett SMR in .338 Lapua
The rifle ships with one 10-round magazine for a 10+1 capacity, and the muzzle is set up to accept Barrett's suppressor-capable MRAD SMR brakes. For anyone building a serious long-range rig around .338 Lapua Magnum, whether that is ELR matches or just owning the far end of the ridgeline, this is a proven platform pared down to the essentials.
Key Specifications
- Manufacturer: Barrett Firearms
- Model: MRAD SMR (Single Mission Rifle)
- Manufacturer Part Number: 18504
- UPC: 810021510705
- Caliber: .338 Lapua Magnum
- Action: Bolt Action
- Barrel Length: 26", fluted, match-grade, free-floated
- Twist Rate: 1:9.4"
- Capacity: 10+1
- Overall Length: 47.4"
- Weight: Approx. 13.9 lbs
- Finish: Tungsten Gray Cerakote
- Stock: Fixed with adjustable comb and length-of-pull spacers
- Receiver: Monolithic 7000-series aluminum with 21.75" M1913 Picatinny rail
- Trigger: Fully adjustable match-grade module
- Safety: Thumb safety
What’s Included
- Barrett MRAD SMR rifle in .338 Lapua Magnum
- One 10-round magazine
- Owner's manual
Frequently Asked Questions
What is the difference between the MRAD SMR and the standard Barrett MRAD?
The SMR, or Single Mission Rifle, is set up from the factory in one caliber and uses a fixed stock instead of the standard MRAD's folding stock and user-swappable barrel system. That simplification trims roughly 2.5 pounds and about an inch of overall length while keeping around 90 percent parts commonality with the standard MRAD. Accuracy stays the same, with Barrett's .75 MOA guarantee intact.
Is the Barrett MRAD SMR accurate enough for long-range competition?
Yes. Barrett backs the SMR with a .75 MOA accuracy standard, and the .338 Lapua Magnum chambering with a 26 inch match-grade barrel and 1:9.4 twist is well suited to heavy, high-BC match bullets. Paired with quality glass on the full-length tapered rail, it is a legitimate ELR and long-range match platform.
Can I adjust the fixed stock on the MRAD SMR to fit me?
You can. While the stock does not fold, it has a vertically adjustable cheek piece for proper alignment behind your optic and spacers for setting length of pull. Once dialed in, it gives you a consistent, repeatable position behind the rifle.
Is the MRAD SMR suppressor ready?
Barrett offers suppressor-capable MRAD SMR muzzle brakes designed for this rifle system, so it plays well with a can. The threaded muzzle setup also helps tame .338 Lapua recoil with a brake installed, which makes long range sessions a lot more pleasant.




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