500 S&W Magnum Ballistics Charts: This 500 S&W Mag ballistic chart shows 325 Federal Premium Swift A-Frame rounds fired from an 8.5 inch barrel: Muzzle 25 YDS 50 YDS Velocity (FPS) 1800 1677 1559 Energy (FT/LB) 2338 2028 1754 This 500 S&W Magnum ballistics chart shows 300 grain Hornady FTX fired from an 8.5 inch […]