Home › Products › Handgun Ammunition › UNDERWOOD .480 RUGER 300GR. XTREME PENETRATOR 20RD BOX UNDERWOOD .480 RUGER 300GR. XTREME PENETRATOR 20RD BOX Brand: Underwood Ammo Price: $74.50 USD — In stock UNDERWOOD .480 RUGER 300GR. XTREME PENETRATOR 20RD BOX View UNDERWOOD .480 RUGER 300GR. XTREME PENETRATOR 20RD BOX at MARYLAND MUNITIONS INC