Nifty
wireless airburst slugs hit round corners
and
Essentially, the idea is to have a gun which shoots special, extra-big 25mm slugs – sort of a cross between a normal bullet and a 40mm launched grenade. The projectile is thus big enough to put clever stuff in it, but small enough that a weapon carried by a normal person can shoot it a long way without the recoil knocking the user flat.