The new Louisville Slugger YBAS14-RR -13 Assault Little League/Youth Baseball bat features a new high performance alloy and a balanced lightweight design for quicker bat speed and hits that travel longer distances. The Assault Youth baseball bat features a -13 weight drop and a new X-long barrel for greater bat speed and pop off the bat. The Louisville Slugger Assault bat provides unmatched consistent performance and durability. Leave your mark on the game by swinging the 1 bat in MLB. Louisville Slugger, "We exist to make you great.".