Freedom Munitions .223 Remington 62 Grain Full Metal Jacket Brass Rifle Ammo 50 Rounds. Loaded with a 62 grain full metal jacket bullet this ammunition shoots at 3000 fps.This ammunition is not intended for use with suppressors. Specifications for Freedom Munitions .223 Remington 62 Grain Full Metal Jacket Brass Rifle Ammunition: Manufacturer: Freedom Munitions Caliber: .223 Remington Bullet Type: Full Metal Jacket (FMJ) Bullet Weight: 62 grain Cartridge Case Material: Brass Application: General Package Contents: Freedom Munitions .223 Remington 62 Grain Full Metal Jacket Brass Rifle Ammunition What is Freedom Munitions .223 Remington 62 Grain Full Metal Jacket Brass Rifle Ammunition good for? The manufacturer thinks that it is best for general.Freedom Munitions FM223F62N50: .223 Remington 62 Grain Full Metal Jacket Brass Rifle Ammo 50 Rounds