The Barrett 50 BMG M33 Ball, 661gr, 10 Rifle Cartridges is purpose-built ammunition for shooters who demand consistent performance from one of the most powerful rifle calibers available. Each round uses a 661 grain M33 ball full metal jacket projectile seated in Barrett head-stamped brass, with noncorrosive powder and primers to promote reliable ignition and repeatable accuracy shot after shot.

This .50 BMG (12.7x99mm) load is well suited for long-range practice, precision rifle training, and serious range work where predictable ballistics matter. The 10-round box format makes it easy to manage and transport for dedicated sessions behind the rifle. Backed by Barrett’s reputation for meticulous engineering and quality ammunition production, these cartridges offer a dependable option for shooters running modern .50 BMG platforms.

• Manufacturer: Barrett
• Model: 50 BMG M33 Ball 661gr 10 Rifle Cartridges
• Caliber: .50 BMG (12.7x99mm)
• Bullet Weight: 661 Grain
• Rounds Per Box: 10
• Bullet Type: M33 Full Metal Jacket Ball
• Unique Features: Barrett Head-Stamped Brass, Noncorrosive Powder And Primers