Remington Core-Lokt ammunition was the first and original controlled expansion bullet and remains the standard of big-game bullet performance. Its level of reliability is only exceeded by the amount of game it has taken over the years. These cartridges feature the SP (soft point) or the PSP (pointed soft point) Core-Lokt bullets. The Remington Core-Lokt design locks the progressively heavier jacket mid-section to the lead core, preventing separation, yet allowing maximum energy transfer. The result is a bullet that stays together on impact, expands in a controlled manner, and mushrooms uniformly to nearly twice [Read More]