The PPU Ammo - 223 Rem 55gr FMJ [20] are rounds with a 55-grain full metal jacket (FMJ) bullet, designed primarily for target shooting and training. The FMJ bullet minimises expansion, allowing for consistent accuracy and penetration. PPU ammunition is a popular choice for shooters looking for reliable performance without a high cost, suitable for both bolt-action and semi-automatic rifles chambered in .223 Remington.