Buy 100rds 380 Auto Remington UMC 88gr. Jacketed Hollow Point Ammo Online. This is 380 Auto Remington UMC 88gr. Jacketed Hollow Point Ammo. Remington’s full-length jacket and hollow point construction provides good penetration with controlled expansion while assuring dependable function in autoloading pistols. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases. This ammo comes packed in 100rd. boxes.