Hornady Superformance .223 Remington 53 grain V-MAX Brass Cased Centerfire Rifle Ammo, 20 Rounds, 8025

Superformance uses progressive propellants that take your favorite V-MAX NTX SST GMX and InterLock bullets to levels of performance that are simply unattainable with conventional ammunition. It IS rocket science PERFORMANCE: IT IS FAST: 100 to 200 fps faster than conventional ammunition.