Remington Ammunition R27857 Core-Lokt Copper 300Blackout 120gr Copper Hollow Point 20 Per Box/10 Case Range Finders It replaces the rail clamps

It replaces the rail clamps with an under-mounted spacer plate that provides a low-profile attachment to any M-LOK rail surface

Because the lead core is bonded to the copper jacket

nylon end brush

1-hour auto shut-off

and efficient system for drying your brass

Remington Ammunition R27857 Core-Lokt Copper 300Blackout 120gr Copper Hollow Point 20 Per Box/10 Case Range Finders It replaces the rail clampsDeadly Core Lokt Copper. Dependable expansion, proven weight retention, and drop dead accuracy. The performance you've come to know and expect from Core Lokt, now guaranteed with a lead free bullet. Rigid construction from high strength copper ensures Core Lokt Coppers monometal bullet dispatches big game with true Deadly Mushroom performance.