Ppu Ammo Subsonic 182gr. Fmj 20-pack. The new Subsonic Line ammunition is manufactured to strict quality production standards and will exceed all expectations. Subsonic ammunition has been in use by military law enforcement and training because of its lower noise and lower recoil benefits. Give it a try yourself and experience the benefits firsthand and see why subsonic ammunition is gaining popularity with shooters. Specifications for Ppu Ammo Subsonic 7.62x39 182gr. Fmj 20-pack: Manufacturer: PPU Caliber: 7.62x39mm Number of Rounds: 20 Bullet Type: Full Metal Jacket (FMJ) Bullet Weight: 182 grain Cartridge Case Material: Brass Muzzle Velocity: 1033 ft/s Primer Style: Centerfire Dimensions: 1.10 X 2.40 X 5.00 in Package Contents: Ppu Ammo Subsonic 7.62x39 182gr. Fmj 20-pack