Federal Fusion MSR Ammunition 300 AAC Blackout 150 Grain Bonded Spitzer Boat Tail 20RD

Federal Fusion MSR 300 AAC Blackout ammunition delivers precision and reliability purpose-built for modern sporting rifles. This 150-grain load pairs a molecularly-fused jacket with a pressure-formed core to give you the accuracy you need whether you're shooting suppressed, subsonic, or pushing velocity through a short barrel. The 20-round box fits seamlessly into your range days or training sessions, making it a practical choice for shooters who rely on their MSR platforms.

Designed specifically for the MSR platform, Fusion MSR ammunition uses clean-burning, low-flash propellants that optimize velocity through typical short-barrel configurations. The bonded spitzer bullet design enhances ballistic performance and shot-to-shot consistency. Federal's military-style colored case makes it easy to verify proper case metallurgy at a glance—a small detail that reflects the thought that went into this load.

The primer is compatible with rifles that have free-floating firing pins, so you won't run into compatibility issues common with some surplus or specialty platforms. Whether you're building a precision MSR, running an integrally suppressed system, or just want ammo tuned for 300 BLK performance, Fusion MSR gives you a professional-grade round at a reasonable price point.

Key Features

• 150-grain bonded spitzer bullet engineered for accuracy and consistency
• Molecularly-fused jacket and pressure-formed core construction
• Clean-burning, low-flash propellants optimized for short-barrel performance
• Free-floating firing pin compatible primer
• Military-style colored case for easy identification
• 20 rounds per box

Specifications

Frequently Asked Questions

Will this work in my short-barrel 300 Blackout rifle?

Yes. Fusion MSR is specifically formulated with clean-burning, fast-burning propellants optimized to deliver velocity through typical short-barrel configurations. This is the load's purpose—to perform in modern sporting rifles with shorter tubes where standard ammunition may fall short.

Is this ammo compatible with free-floating firing pin rifles?

Yes. The primer is designed to work reliably with rifles that have free-floating firing pins, so you won't encounter ignition issues on those platforms.

What's included in the box?

Each box contains 20 rounds of Federal Fusion MSR 300 AAC Blackout ammunition loaded with a 150-grain bonded spitzer bullet.

Is this ammo low-flash?

Yes. Fusion MSR uses low-flash propellants, which means less visible muzzle flash—useful if you're shooting suppressed or in low-light conditions, or just prefer cleaner burning ammunition.