Hornady Ammo 450 Bushmaster 250 Gr Ftx BlackDirect impingement, gas piston, suppressed, unsuppressed, inertia, bolt, pump, supersonic, subsonic, rifle, mid-length, carbine or pistol – Hornady BLACK ammunition delivers superior performance for a variety of applications.High-Quality Cases, Primers PropellantVersatile Hornady bullet optionsOptimized performance from various platforms