Remington Core-Lokt Tipped .300 Winchester Magnum 180gr Polymer Tip 20/Box $68.99 $48.20 Remington Core-Lokt Tipped .300 Winchester Magnum 180gr Polymer Tip 20/Box offers the same terminal performance as the original Core-Lokt ammunition but, with the added benefit of exceptional flight aerodynamics and pin-point accuracy... Compare Choose Options