Home › Products › Handgun Ammunition › UNDERWOOD .40 S&W 140GR. XTREME PENETRATOR 20RD BOX UNDERWOOD .40 S&W 140GR. XTREME PENETRATOR 20RD BOX Brand: Underwood Ammo Price: $38.98 USD — In stock UNDERWOOD .40S&W 140GR. XTREME PENETRATOR 20RD BOX View UNDERWOOD .40 S&W 140GR. XTREME PENETRATOR 20RD BOX at MARYLAND MUNITIONS INC