The Barrett Model 99 is a single-shot bolt-action rifle in .50 BMG. At 52 lbs with a 29-inch fluted barrel, it's a bench and range platform built for the .50 BMG's long-range capabilities. 
 

Key Specifications: 

• Caliber: .50 BMG 
• Capacity: 1 ROUND 
• Barrel Length: 29 inches 
• Weight: 52 lbs 
• Finish: Black Anodized 
• Action Type: Bolt Action 
   

Detailed Features: 

 
The fluted barrel reduces weight relative to an unfluted barrel of the same diameter and improves heat dissipation during extended shooting. The match-grade trigger provides a clean break with minimal pull weight for precise shot placement. The 3-port high efficiency muzzle brake reduces felt recoil and muzzle rise significantly, which is meaningful on a .50 BMG. The fixed stock has a Sorbothane recoil pad that absorbs the remaining shock after the muzzle brake does its work. 
 

Usage 

 
The Model 99 is built for long-range precision shooting and competition where .50 BMG is permitted. The single-shot design keeps the action simple and consistent. Its 52 lb weight makes it a fixed-position rifle -- this is not a field carry gun.

The Barrett M99 in .50 BMG draws consistent admiration from long-range shooters and .50 BMG enthusiasts. Accuracy at extreme distances is the most praised attribute, and the fluted barrel construction is noted for both reducing weight and helping with heat management during extended strings.

At 52 lbs the weight is a frequent discussion topic -- some users see it as a stability advantage at the bench, while others find it impractical to transport. The muzzle brake does meaningful work on recoil, but some shooters still find the .50 BMG recoil challenging for extended sessions.

Cost of the rifle and .50 BMG ammunition are the most common objections. Both are high, and this limits the M99 to shooters who have a specific need for the caliber and access to suitable ranges.