Shop › FED 300BLK 150GR POWER-SHK SP 20/200 FED 300BLK 150GR POWER-SHK SP 20/200 $36.99 Federal PowerShok, 300 Blackout, 150 Grain, Soft Point, 20 Round Box 300BLKB Quantity: Add To Cart Added! Federal PowerShok, 300 Blackout, 150 Grain, Soft Point, 20 Round Box 300BLKB