space alien on earth

[woni]

there is a movie I can not remember it's name

it has a teenager who finds a weapons, He puts His hand into it and blows up a bill board , because of Him using it He gets a hard plate on His chest and I think He starts to turn into that Alien

can Any one HELP ??

thanks

[Shadow]

Sounds like Laser Blast.
http://badmovies.org/movies/laserblast/index.html


There is also the similar Deadly Weapon
http://imdb.com/title/tt0097171/

[woni]

yes you rock
I think it is Laser Blast as well , it sounds right

thanks so much