Sellier & Bellot 300 Blackout 124gr FMJ Ammo - 20 Round Box

The Sellier & Bellot SB300BLKA delivers consistent performance for 300 Blackout shooters seeking reliable training and practice ammunition. This Czech-manufactured cartridge features a 124-grain full metal jacket bullet designed for dependable feeding and accurate shot placement across multiple firearm platforms.

What Makes This Different

Sellier & Bellot's 124-grain loading sits in the optimal weight range for 300 Blackout subsonic performance while maintaining supersonic velocities. The full metal jacket construction provides clean barrel performance compared to soft-point alternatives, extending barrel life during high-volume shooting sessions. European manufacturing standards ensure consistent powder charges and precise bullet seating for shot-to-shot reliability.

Key Features

• 124-grain full metal jacket bullet optimized for 300 Blackout ballistics
• Boxer-primed brass cases suitable for reloading applications
• Non-corrosive powder and primer components for long-term storage
• Compatible with AR-15 platform rifles and bolt-action 300 Blackout firearms
• Factory-loaded to SAAMI specifications for consistent performance
• 20-round packaging reduces bulk while maintaining ammunition freshness
• Czech Republic manufacturing with ISO 9001 quality certification

This ammunition performs effectively in both carbine-length and pistol-length gas systems common to 300 Blackout builds. The 124-grain bullet weight provides sufficient mass for reliable cycling while maintaining flat trajectories out to 200 yards. Range testing shows consistent groupings suitable for precision training, tactical drills, and competitive shooting applications.

Technical Specs

• Caliber: 300 AAC Blackout (.300 BLK)
• Bullet Weight: 124 grains
• Bullet Type: Full Metal Jacket (FMJ)
• Case Material: Boxer-primed brass
• Muzzle Velocity: Approximately 2,200 fps (16-inch barrel)
• Packaging: 20 rounds per box, 50 boxes per case
• Manufacturer: Sellier & Bellot (Czech Republic)
• UPC: 754908512447

Sellier & Bellot's reputation for consistent ammunition manufacturing makes this loading a practical choice for shooters requiring dependable performance without premium pricing. The 20-round box format allows shooters to purchase appropriate quantities for specific training needs while maintaining ammunition rotation schedules.