Barrett M107A1 .50 BMG 29″ Tungsten Gray 10-Round
Pros & cons
What works
- Suppressor-ready with factory QDL muzzle brake—enables immediate attachment of Barrett's suppressors.
- Integrated 27 MOA optics rail—provides essential elevation for extreme long-range zeroing without needing a tapered base.
- Includes Pelican 1750 hard case—rated for >2,000 lbs crush resistance for secure transport and storage.
- Semi-automatic .50 BMG action—enables a practical rate of fire unachievable with bolt-action counterparts.
Trade-offs
- 31.5 lb weight—demands significant physical strength to maneuver and shoot from unsupported positions.
- Extreme ammunition cost—.50 BMG rounds start at ~$4 each, making sustained training prohibitively expensive for most.
- Requires specialized long-range facility—most commercial shooting ranges cannot safely accommodate its maximum effective range.
- Significant blast and concussion—even with the muzzle brake, firing creates substantial overpressure unsuitable for confined spaces.
Video review
Expert review
Specs at a glance
About this product
What is the Barrett M107A1 .50 BMG 29″ Tungsten Gray 10-Round? The Barrett M107A1 is a recoil-operated, semi-automatic anti-materiel rifle chambered in .50 BMG, purpose-built for extreme long-range precision and suppressor compatibility at over 1,200 yards. Its 29-inch chrome-lined barrel, integrated 27 MOA optics rail, and four-port muzzle brake form the core of a system engineered for repeatable, stable fire. This isn't a plinking rifle; it's a purpose-driven platform designed from the ground up to meet the demands of professional long-range engagement with heavy-caliber ammunition.
What is the Barrett M107A1 used for?
The Barrett M107A1 is engineered for precision long-range target engagement and training on ranges exceeding 1,500 meters. Its primary function is as an anti-materiel and extreme long-range rifle, ideal for neutralizing hardened targets or for disciplined, high-level marksmanship training. The suppressor-ready muzzle device and integrated rail make it particularly suited for sustained, low-signature fire in training scenarios where controlling signature and managing recoil impulse across multiple shots is critical.
How does the Barrett M107A1 compare to the Armalite AR-50?
The Barrett M107A1 provides a semi-automatic action that the bolt-action Armalite AR-50 lacks, enabling a significantly faster practical rate of fire for follow-up shots. While the AR-50 is renowned for its single-shot benchrest precision, the M107A1 is better for dynamic training and scenarios requiring rapid engagement of multiple targets at range. The M107A1’s integrated rail and suppressor-ready muzzle system is a more complete out-of-the-box precision platform compared to the AR-50’s more traditional, accessory-dependent build.
What does it weigh and what are the dimensions?
This rifle weighs 31.5 pounds unloaded, with a 57-inch overall length and a 29-inch barrel. The weight is a deliberate feature of the design, contributing to its inherent stability and mitigating felt recoil from the .50 BMG cartridge. For perspective, its weight is over four times that of a typical Stevens 334 rifle chambered in .308 Winchester—this is not a lightweight hunting platform but a stabilized firing system.
Who is this NOT for?
This rifle is not for the casual shooter, the budget-constrained buyer, or someone without access to a sufficiently large and certified long-range facility. The operational cost is immense—.50 BMG ammunition typically runs over $4 per round—and the platform requires a dedicated understanding of long-range ballistics and significant physical strength to maneuver effectively. It is also subject to specific state and local regulations; responsible ownership demands thorough compliance research.
What's in the box?
The rifle ships with one 10-round detachable magazine, an adjustable bipod, a monopod, a set of flip-up iron sights, and a Pelican 1750 hard case for secure transport and storage. This out-of-the-box configuration covers immediate deployment needs, allowing the shooter to mount an optic and begin zeroing without sourcing additional core components. The inclusion of the high-quality hard case is a significant value-add, as it’s rated for >2,000 pounds of crush resistance.
Is the Barrett M107A1 worth it at $14,186?
At $14,186, the M107A1 is worth it only for the specific professional, government, or serious long-range enthusiast who requires and can utilize its unique combination of semi-automatic .50 BMG capability and suppressor readiness. For the shooter who needs repeatable precision at extreme distances, its engineering and included accessories justify the cost. For anyone else—including hunters or general long-range precision shooters who would be better served by a high-end bolt-action rifle in .243 Winchester—this investment cannot be rationalized.
Key attributes
| upc | 810021510439 |
| manufacturer | Barrett Firearms |
| manufacturer part number | 18067 |
| action | Semi-Auto |
| atf type | RIFLE |
| barrel length | 29" |
| caliber/gauge | .50 BMG |
| capacity | 10 |
| color | Gray |
| model | M107A1 |
| number of magazines | 1 10 rd. |
| package height | 7.3 |
| package width | 17.1 |
| product type | Rifle |
| shipping weight | 50.0 |
| sights | Front/Rear Flip Sights |
| sights type | Adjustable Sights |
| length | 54.6500 |
| state restriction (il) | NO SALE TO ILLINOIS PICA |
Frequently asked questions
- Is it compatible with the Barrett QDL suppressor?
- Yes, the four-port cylindrical muzzle brake is specifically engineered for the Barrett QDL (Quick Detach Locking) suppressor system. The rifle's design includes optimized gas flow to function reliably with the attached suppressor. This is a factory-engineered interface, not an aftermarket adapter.
- Does the hard case have foam inserts?
- Yes, the included Pelican-style case comes with pre-cut, pluck-to-fit foam inserts tailored to the M107A1's specific dimensions and accessories. This allows for a custom, secure fit for the rifle, bipod, monopod, and magazines. The foam is closed-cell for moisture resistance.
- How many rounds does the magazine hold?
- The included detachable box magazine holds 10 rounds of .50 BMG ammunition. Barrett also manufactures and sells additional 10-round magazines separately. The magazine release is ambidextrous and positioned for intuitive operation.
- What is the twist rate of the barrel?
- The 29-inch, chrome-lined barrel has a 1:15-inch right-hand twist rate. This twist is optimized for stabilizing the long, heavy projectiles typical of .50 BMG ammunition at supersonic and transonic velocities, which is critical for consistency at ranges beyond 1,500 meters.
- Can I use standard .50 BMG military surplus ammo?
- The M107A1 is designed to fire standard .50 BMG (12.7x99mm NATO) ammunition. However, for optimal precision and longevity, Barrett recommends using quality, consistently manufactured ammunition. Always consult your rifle's manual and start with factory-approved load data.
- What optics rail is integrated?
- The rifle features an integrated 23-inch M1913 Picatinny rail with 27 MOA of built-in elevation. This built-in cant is crucial for achieving a 100-yard zero while still having enough elevation adjustment in your optic to engage targets at extreme distances, often over 30 MILs or 100 MOA of travel.