300 AAC Blackout (7.62x35mm)

Product Overview: 300 AAC Blackout (7.62x35mm)

The 300 AAC Blackout, also known as 7.62x35mm, is a rifle cartridge developed by Advanced Armament Corporation (AAC) for the M4 carbine. The primary goal of this cartridge is to achieve similar ballistics to the 7.62x39mm Soviet cartridge in an AR-15 platform while using standard 5.56mm NATO magazines and bolts.

Key Features:

1. Versatility: The 300 AAC Blackout is designed to be highly versatile, supporting both subsonic and supersonic loads. This allows it to be effective in a variety of shooting scenarios, including tactical, hunting, and sport shooting.
2. Compatibility: The cartridge works seamlessly with standard AR-15/M4 components, only requiring a barrel change.
3. Performance: It offers enhanced performance in short-barreled rifles (SBRs) and is optimized for sound suppression with subsonic ammunition.

Specifications:

• Bullet Diameter: 7.62 mm (0.308 inches)
• Case Length: 34.7 mm (1.368 inches)
• Overall Length: 57.0 mm (2.244 inches)
• Case Capacity: 1.56 mL (24 grains H2O)
• Max Pressure: 55,000 psi (380 MPa)
• Primer Type: Small rifle
• Rifling Twist: 1:7 inches (178 mm)
• Bullet Weight Range: 110–220 grains

Key Specifications in Detail:

• Bullet Types: The 300 AAC Blackout can use a wide range of bullet types, from lightweight varmint bullets to heavier, subsonic rounds designed for use with suppressors. Common weights include:
  • 110-125 grain supersonic bullets
  • 220 grain subsonic bullets
• Ballistic Performance:
  • Supersonic: A typical 125-grain bullet has a muzzle velocity of around 2,215 feet per second (fps) and muzzle energy of about 1,360 foot-pounds (ft-lb).
  • Subsonic: A 220-grain bullet travels at around 1,010 fps with a muzzle energy of approximately 500 ft-lb.

Advantages:

• Suppressed Shooting: The subsonic loads are particularly effective when used with suppressors, providing significantly reduced noise levels.
• Enhanced Terminal Ballistics: The 300 AAC Blackout offers better terminal performance compared to the 5.56mm NATO, especially in short-barreled applications.
• Magazine Capacity: Standard AR-15 magazines can hold a similar number of 300 Blackout rounds as they do 5.56mm NATO rounds.

Common Uses:

• Tactical: The round is favored in tactical situations where suppressed, short-barrel performance is critical.
• Hunting: Suitable for hunting medium-sized game, the 300 Blackout offers effective energy transfer and penetration.
• Sport Shooting: Popular in various shooting sports for its versatility and performance.

• 300 AAC Blackout
• 7.62x35mm
• Rifle cartridge
• Supersonic
• Subsonic
• Suppressed shooting
• AR-15 compatibility
• Tactical ammunition
• Hunting ammunition
• Short-barreled rifles (SBRs)

This summary provides a comprehensive overview of the 300 AAC Blackout (7.62x35mm), highlighting its versatility, compatibility, and performance characteristics.