Hornady 308 Win 165 gr CX Superformance 20ct (80990)  

Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. Superformance® uses progressive propellants that take your favorite V-MAX,® NTX,® SST,® CX,™ and InterLock,® bullets to levels of performance that are simply unattainable with conventional ammunition. The CX™ (Copper alloy eXpanding) bullet from Hornady represents the most advanced monolithic hunting bullet on the market. Its optimized design offers extended range performance, greater accuracy, high weight retention, and deep penetration.