THE ULTIMATE GUIDE TO FN 5.7 AMMO

The sale of the ammo to American civilians is prohibited by law, so FNH decreased the muzzle velocity of their sporting ammo to inhibit its armor-piercing skill. The ATF ruled that this ammo was suitable, and is also why it's legal to acquire five.7x28 in The us.357 magnum. So, possessing a lightweight and evenly-recoiling spherical that might defe