Score the best gun deal on Black Sheep 308 Win 147 Grain FMJ Ammo at just $421.80 for 500 rounds—that's only about $0.84 per round! We've hunted down this discount on accessories for shooters stocking up on reliable outdoor sporting goods. Don't miss this solid savings for your next range session. Black Sheep 308 Win 147 Grain FMJ Ammo goin' for $421.80 for 500 rounds, and we busted our humps trackin' down deals like this one. That's a solid price per round if you're stockin' up. That's about $105.45 per round.