NovX Close Encounter 300 Blackout 110 Gr Copper Polymer 20 RdBrand NovX Category Centerfire Rifle Rounds Caliber 300 Blackout Model Close Encounter Bullet Weight 110 gr Rounds Per Box 20 Casing Material Stainless Steel Application Close Quarters / Self Defense Boxes Per Case 10 Bullet Type Copper PolymerSpeed 2,300 FPS1,290 FT-LBS