Need help finding a Laser Sight for my short barrel .357.
 

I have a 357 short barrel for home use protection, does anyone have one as well but with a over/under laser sight? I have found a couple but all range around $250, other gun models seem to go for alot less, why? & or one better than the other. Any sights around $100 anywhere?

check out crimson trace...they ain't cheap.