The Barrett M107A1 is a semi-automatic rifle chambered in .50 BMG, built for long-range engagements by military, law enforcement, and civilian precision shooters. The 29-inch barrel gives 57 inches overall length and the rifle weighs 28.7 lbs unloaded. Capacity is 10+1 rounds from a 10-round magazine. 
 

Key Specifications 

• Model: M107A1 
• Caliber: .50 BMG 
• Action: Semi-Automatic 
• Barrel Length: 29 inches 
• Overall Length: 57 inches 
• Weight: 28.7 lbs 
• Capacity: 10+1 (includes one 10-round magazine) 
• Finish: Black 
   

Features 

The aluminum upper receiver integrates a 23-inch 27 MOA optics rail, no need for an add-on rail base. The bolt carrier and buffer assemblies are suppressor-ready for users who want to run a can. Nickel Teflon coating on the bolt assembly reduces friction and simplifies cleaning. Backup iron sights are included. The thermal cheek rest holds its position during extended sessions and maintains a consistent cheek weld for optics use. 
 

Use Context 

The M107A1 is a purpose-built anti-materiel and long-range precision platform. Its size and weight make it unsuitable for general carry; it's designed to be deployed from a supported position. The .50 BMG round delivers significant energy at distance with corresponding recoil, which the rifle's design addresses through its muzzle brake and recoil-absorbing system. This is a specialized tool for shooters who have a specific need for the caliber.

The M107A1 draws consistent praise for accuracy at long range and for the quality of its construction. Shooters who use it for what it's designed for (supported, long-range precision work) are generally satisfied with its consistency across conditions.

Weight is the most common practical concern. At over 28 lbs before optics and accessories, it's not a rifle you carry far. Opinions differ on whether that's a problem: some find the mass helps with stability and recoil management, others see it as a real limitation for field use. Recoil from the .50 BMG is described as well-managed by the rifle's design, manageable even for less experienced shooters.

Price is a regular topic. Most who discuss it acknowledge it as a premium-tier firearm with a corresponding cost, and opinions split on whether alternatives offer comparable value. Barrett's warranty and customer service are generally described positively when issues have come up.