Federal Fusion 224 Valkyrie 90gr SP Rifle Ammo - 20 Rounds - The modern sporting rifle isn't just some gun. It's a highly adapted hunting machine, and it needs ammunition that's just as customized: Fusion MSR. From primer to projectile, virtually every component is optimized for use in modern sporting rifles and peak ballistic performance through short barrels. Clean-Burning, Low-Flash, Fast-Burning Propellants Boost Velocity Through Typical-Length MSR Barrels Primer Compatible With Rifles That Have Free-Floating Firing Pins Military-Style Colored Case Iris Gives Visual Confirmation Of Proper Case Metallurgy Molecularly-Fused Jacket Around A Pressure-Formed Core Produces Excellent Accuracy