Concussive Jolt

At you go into a meelee attack you may cast this spell to create a small 6x6inch explosion 1-2 feet behind your hand as you wind up your attack. the explosion jolts your attack forward so you can hit from 5 extra feet away as well  as adding 5 to your hit roll. Deal double damage on melee attack and change the damage type to force. also can cast this on close allies as a reaction. The gunpowder is used on casting. can also be used as an action at a range of 50 ft to deal 1d6 force damage and push the single target 15 ft back.