Is That a Gum Gum?

Gum gum is a javelin of lightning You are a lit and speak its command word. It transforms into a bolt of lightning That's five feet wide and extends out from you to the target within 120 feet every creature in the line except for you And the target must make a dc13 dexterity saving throw taking 46 lightning damage on a fail save The lightning bolt turns back into a Javelin when it reaches its target and just makes a normal range weapon attack Uh until then it's just a normal javelin. If I use it in conjunction with your ring of jumping, does it make me bounce?Uh if you use it  and he would look at aJavelin