Barrett M107A1 50 BMG, 20″ Barrel, Gray Cerakote Finish, Synthetic

Description

The Barrett M107A1 is a semi-automatic, anti-materiel precision rifle chambered in .50 BMG, designed for long-range engagement and heavy-duty performance. For U.S. shooters, this firearm serves as a reliable tool for extreme-distance target shooting, ballistic research, and lawful recreational use on private ranges or federal lands. Its robust construction and military-grade lineage make it a serious instrument for those who demand accuracy at ranges beyond 1,500 meters.

What This Product Is and Who It’s For

The Barrett M107A1 is a semi-automatic, large-caliber rifle system built for shooters who require consistent, repeatable accuracy at extreme distances. This model features a 20-inch barrel, a gray Cerakote finish, and a synthetic stock, reducing weight while maintaining durability. It is intended for experienced marksmen, competitive long-range shooters, and collectors who appreciate engineering precision. This is not a home defense or concealed carry firearm; it is a specialized tool for range use, ballistic testing, and long-range target engagement. Lawful owners in the U.S. who have access to appropriate shooting environments—such as private desert ranges, 1,000-yard plus facilities, or open rural land—will find this rifle suited to their needs.

Key Specification Breakdown

• Caliber: .50 BMG (12.7x99mm NATO)
• Action: Semi-automatic, gas-operated with dual-chamber muzzle brake
• Barrel Length: 20 inches
• Overall Length: Approximately 48 inches
• Weight: Approximately 28.5 pounds (unloaded, without optics)
• Finish: Gray Cerakote ceramic coating for corrosion and abrasion resistance
• Stock: Synthetic, with adjustable cheek rest and length of pull
• Sights: Front and rear flip-up iron sights
• Magazine Capacity: 10 rounds, detachable box magazine
• Muzzle Device: Dual-chamber muzzle brake to reduce recoil and muzzle rise
• Includes: Bipod, Pelican case, and one 10-round magazine

Feature Deep-Dive

The Barrett M107A1 distinguishes itself from earlier M107 models through several key upgrades. The 20-inch barrel is shorter than the standard 29-inch barrel found on the M107, making this variant more compact and slightly lighter for easier transport and maneuverability. Despite the reduced barrel length, the rifle retains the ballistic performance needed for effective engagement at long ranges, with a muzzle velocity of approximately 2,700 feet per second using standard M33 ball ammunition. The gray Cerakote finish provides a durable, low-reflectivity surface that resists wear from field use and harsh weather conditions.

The synthetic stock is a notable improvement over earlier aluminum stocks. It reduces overall weight by approximately 3.5 pounds compared to the original M107, bringing the rifle to a more manageable 28.5 pounds. This weight reduction does not compromise structural integrity; the stock is reinforced with a steel frame and features an adjustable cheek rest and length-of-pull spacers to accommodate different shooter builds and shooting positions. The integrated bipod is mounted to the forend and provides a stable shooting platform, with legs that adjust for height and cant.

The gas operating system on the M107A1 is a short-stroke piston design, which cycles the action reliably with .50 BMG ammunition. A key feature is the dual-chamber muzzle brake, which reduces felt recoil by up to 70% compared to a standard muzzle. This brake is also designed to minimize dust signature when shooting from prone positions, a consideration for field shooting. The rifle is equipped with a Picatinny rail (MIL-STD-1913) on the upper receiver for mounting optics, as well as a lower rail for accessories like a foregrip or laser designator.

The flip-up front and rear sights are adjustable for windage and elevation, providing a backup sighting system if optics fail. The rear sight is a peep aperture, and the front sight is a blade, both robustly constructed from steel. The 10-round detachable box magazine is made from steel with a polymer follower, designed to feed .50 BMG rounds reliably. The included Pelican case is a hard-shell, waterproof, and pressure-resistant case with custom foam cutouts to protect the rifle and accessories during transport.

Accuracy expectations for the M107A1 are consistent with Barrett’s reputation: sub-MOA groups at 100 yards with match-grade ammunition, and effective hits on man-sized targets at 1,500 yards. The trigger is a two-stage design, with a factory pull weight of approximately 5 to 7 pounds. The rifle also features a manual thumb safety and a bolt hold-open device on the magazine follower. Overall, this model is engineered for shooters who need a semi-automatic .50 BMG platform that balances portability with precision.

Ideal Use Cases

• Long-Range Target Shooting: The M107A1 is designed for shooters who engage targets at 1,000 yards and beyond. Its semi-automatic action allows for faster follow-up shots than a bolt-action rifle, making it suitable for range sessions where multiple targets are engaged.
• Ballistic Research and Testing: Lawful owners using this rifle for ammunition development, velocity testing, or long-range accuracy evaluation will benefit from its consistent cycling and platform stability.
• Collecting: As a military-specification firearm with a distinct design history, the M107A1 holds interest for collectors of modern precision rifles and U.S. military small arms.
• Recreational Shooting on Private Land: Owners with access to large, safe shooting areas (desert, ranch, or dedicated long-range ranges) will find this rifle a capable tool for recreational use.

This firearm is not recommended for home defense, concealed carry, or hunting of typical North American game due to its weight, caliber, and regulatory restrictions in some jurisdictions. It is a specialized instrument for specific lawful purposes.

Compatibility Notes

• Ammunition: The M107A1 is chambered for .50 BMG (12.7x99mm NATO). It functions reliably with standard military ball ammunition (M33), armor-piercing (M8, M20), and match-grade loads from manufacturers such as Federal, Hornady, and Lake City. Do not use reloaded ammunition unless verified by a qualified gunsmith.
• Magazines: This model uses Barrett M107/M82 10-round steel magazines. Aftermarket magazines are not recommended; only Barrett-manufactured magazines should be used to ensure proper feeding and function.
• Optics: The Picatinny rail accepts any MIL-STD-1913 compatible scope mount. Recommended optics include variable-power scopes with 20x or higher magnification, such as the Leupold Mark 5HD or Nightforce ATACR series. Ensure the scope has sufficient eye relief for the .50 BMG recoil.
• Holsters: No holsters are available or applicable for this firearm.
• Accessories: The included bipod is adequate for most shooting positions. Optional accessories include a monopod for the stock, a suppressor (if legally owned and registered), and additional magazines. The Pelican case is compatible with TSA-approved locks for air travel.

Frequently Asked Questions

Q: Can this rifle be shipped directly to my home in the U.S.?
A: No. Federal law requires that all firearms shipped from a licensed FFL dealer must be transferred to another FFL dealer in your state. We will ship the Barrett M107A1 to a licensed firearms dealer of your choice. Please confirm with your receiving FFL that they accept .50 BMG rifles and are willing to process the transfer. We ship only to FFL holders within the United States.

Q: What is the FFL transfer process for this rifle?
A: After placing your order, you will need to provide the name and contact information of your chosen FFL dealer. We will verify their license and ship the rifle to them. You will then visit the dealer, complete ATF Form 4473, and pass a NICS background check. The dealer may charge a separate transfer fee. You must be at least 18 years old to purchase a rifle from an FFL, though some states require you to be 21. Check your state and local laws.

Q: Is this rifle compatible with all .50 BMG ammunition?
A: The M107A1 is designed to fire standard .50 BMG ammunition (M33 ball, M8 API, M20 APIT, and match-grade loads). It is not rated for use with reloaded ammunition unless the ammunition is specifically tested and verified for pressure and headspace. Use only factory-new ammunition from reputable manufacturers. Some specialty rounds (e.g., tracer or incendiary) may have restrictions in certain states; check local laws before use.

Q: What warranty covers this Barrett M107A1?
A: Barrett Firearms Manufacturing provides a limited lifetime warranty to the original purchaser. This warranty covers defects in materials and workmanship under normal use. It does not cover damage from misuse, neglect, improper maintenance, or use of unauthorized ammunition. For warranty service, contact Barrett directly with proof of purchase. This retailer does not offer extended warranties beyond the manufacturer’s coverage.

Q: What is the return policy for this firearm?
A: Due to federal regulations and safety considerations, all firearm sales are final. We do not accept returns on firearms once transferred. If the firearm arrives damaged or with a manufacturer defect, please contact us within 48 hours of delivery. We will work with Barrett to address any warranty issues. Unopened accessories (e.g., additional magazines) may be returned within 30 days in original condition, subject to a restocking fee. Ammunition and optics are not returnable.

Closing Call to Action

This Barrett M107A1 .50 BMG rifle is available for purchase and can be shipped to your chosen FFL dealer anywhere in the United States where legal. We are a licensed FFL retailer based in the U.S., and we handle all federal and state compliance requirements. If you have questions about ordering or transfer logistics, contact our team directly. Add this rifle to your cart to begin the purchase process.