300 Blackout Ballistics Charts: This 300 BLK ballistic chart shows 190 Grain Hornady Sub-X subsonic loads for suppressor usage: Muzzle 100 YDS 200 YDS Velocity (FPS) 1050 998 956 Energy (FT/LB) 456 420 385 Drop (Inch) / 0 -33.4 This 300 Blackout ballistic chart shows 150 Grain Federal Fusion Hunting Rounds: Muzzle 100 YDS 200 […]