F KAK 1/2-28 Slimline Flash Can, 3.25in, AR15-UP-260 $31.50 AR15UP260 - Free Shipping on most orders over $49 Optics Planet F KAK 1/2-28 Slimline Flash Can, 3.25in, AR15-UP-260 $31.50 AR15UP260 - Free Shipping on most orders over $49 Optics Planet