Federal Hi-Shok 9mm 147 grain JHP refers to a specific type of ammunition manufactured by Federal Premium. Here’s a breakdown of what each term means:

1. Federal: Federal Premium Ammunition is a well-known ammunition manufacturer that produces a wide range of ammunition for various applications.
2. Hi-Shok: Hi-Shok is a product line offered by Federal Premium. Hi-Shok ammunition is designed to deliver reliable expansion and effective terminal performance.
3. 9mm: This refers to the caliber of the ammunition, specifically the 9mm Parabellum (9x19mm) cartridge. It is one of the most widely used handgun cartridges worldwide.
4. 147 grain: Grain is a unit of measurement for bullet weight. In this case, it indicates that the bullet loaded in the cartridge weighs 147 grains. Heavier bullets may offer increased penetration and potentially slightly reduced recoil compared to lighter bullets.
5. JHP: JHP stands for Jacketed Hollow Point. It describes the bullet’s construction, where the lead core is encased in a jacket with a hollowed-out tip. This design is intended to promote controlled expansion upon impact while minimizing the risk of over-penetration.

Federal Hi-Shok 9mm 147 grain JHP ammunition is commonly used for self-defense purposes due to its reliable expansion and energy transfer capabilities. It’s important to note that ammunition performance can vary, and it’s always recommended to test different types of ammunition in your specific firearm to ensure reliable function and accuracy.