Solid copper turned 8.6 Blackout 342gr Subsonic Expanding Projectiles. This 8.6 Blackout Load features our patent pending CNC Swiss Turned solid copper projectile. This 342gr Lead Free CNC Lathe Turned Solid Copper projectile is designed, precisely manufactured and finely tuned for maximum expansion at subsonic speed. Long gone are the days of tracking game for hours after what you thought was the perfectly placed shot. The Silverback 342gr Subsonic 8.6 BLK opens up fast in soft tissue and creates incredible wound cavity that make game lay down upon impact. Our Punisher Series ammunition line creates devastating temporary and permanent wound cavities which are created by the aforementioned solid copper projectiles. The unique design of the projectiles expands quickly and with insane precision. As you probably guessed the Punisher Series line of ammunition is manufactured with the same incredibly precise loading and inspection process that results in consistency and accuracy unparalleled in the industry. Click here to download the loading data.