The Barrett M107A1 Gen 3 is a semi-automatic .50 BMG rifle with a 29-inch barrel and OD Green Cerakote finish. At 28.7 lbs (30.9 lbs with accessories) and 57 inches overall, it's a substantial platform. The long barrel and extra weight compared to the 20-inch variant contribute to velocity and stability at extreme ranges. The 1:15 RH twist rate is standard for the .50 BMG. 
 

Key Specifications 

• SKU: 2023011886 
• UPC: 816715013040 
• Color: Olive Drab 
• Condition: New in Box 
• Finish: OD Green Cerakote 
• Safety: Manual Thumb Lever 
• Trigger Type: Standard 
• Grip Material: Black Polymer 
• Stock Type: Fixed 
• Weight: 28.7 lbs (30.9 lbs with accessories) 
• Sights Type: Flip Up Rear 
• Overall Length: 57" 
• Barrel Length: 29" 
• Barrel Twist Rate: 1:15 RH 
• Magazines Included: 1 
• Capacity: 10+1 rounds 
• Action Type: Semi-Automatic 
• Caliber: .50 BMG 
   

Detailed Features 

 
The 29-inch barrel is longer than many M107A1 configurations, which extracts more velocity from the .50 BMG and improves ballistic performance at very long ranges. The OD Green Cerakote finish resists corrosion and wear in field conditions. The manual thumb lever safety, black polymer grip, and fixed stock are the same proven furniture found across the M107 family. Flip-up rear sights are included, though this rifle is typically run with optics. The semi-automatic action allows faster follow-up shots than bolt-action .50 BMG alternatives.

The Barrett M107A1 Gen 3 in OD Green Cerakote gets the same general reception as other M107 variants, high marks for build quality and capability, with honest acknowledgment of its practical limitations.

The semi-automatic action is consistently praised over bolt-action .50 BMG options for faster follow-up shots. The OD Green Cerakote finish gets favorable comments for durability and looks. Build quality and long-range performance draw strong approval from both competition shooters and military/LE users.

Weight is the primary practical concern. At 28.7 lbs unloaded (30.9 with accessories), this is not a rifle you carry far. Most owners use it from a supported position rather than carrying it extensively. .50 BMG ammunition cost also comes up regularly. It's expensive and limits practice volume for most civilian owners. Discussions about optics choices and compatible accessories are common given the platform's range capability.

Overall sentiment is respectful of the platform's engineering and capability, with weight and ammo cost treated as known and accepted tradeoffs.