The Sierra 7mm 180 grain HPBT MatchKing bullets were specifically created in response to requests from top-level F-Class shooters. Sierra designed these MatchKing bullets to provide a higher weight/higher B.C. alternative in their 7mm line for superior long-range performance.Sierra Bullets 7mm (.284") 180 Grain Hollow Point Boat Tail MatchKing12 caliber secant ogive design for optimal ballisticsLengthened boat tail for improved aerodynamicsRequires 1x8 barrel twist rate100 bullets per boxDesigned specifically for precision F-Class competition shootingPerfect for discerning 7mm long-range shooters seeking record-setting accuracy. Note: MatchKing bullets are recognized worldwide for their precision but are not recommended for most hunting applications due to their match-grade design focused on target accuracy rather than expansion.