Federal Power-Shok 303 British Ammo 150 Grain Jacketed Soft Point Box of 20

Last reviewed: 2026-04-18 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.

Federal Power-Shok 303 British ammo in 150 grain jacketed soft point configuration addresses the hunter who runs a Lee-Enfield or other 303 British platform in the field. The 303 British cartridge — officially .303 British, a rimmed .311-inch bore round adopted by the British Empire in 1889 — remains popular among North American hunters for medium game at moderate ranges. Federal Power-Shok loads pair controlled expansion with manageable recoil, making this a practical choice for deer, black bear, and hog hunters working timber or mixed terrain where shots rarely exceed 200 yards.

Load Profile

The 150 grain jacketed soft point exits the muzzle at 2690 feet per second, delivering 2410 foot-pounds of energy. That velocity places it squarely in the middle of the 303 British performance envelope — neither the slowest nor the hottest commercial load, but sufficient for reliable expansion on game within ethical hunting distances. The jacketed soft point construction uses a lead core under a copper jacket that opens predictably on impact, transferring energy while maintaining enough weight retention to reach vitals on broadside shots. Federal manufactures this ammunition in the United States using boxer-primed brass cases; all components are non-corrosive, and the brass is reloadable for shooters who handload.

Specs at a Glance

This ammunition ships twenty rounds per box and is classified as DOT-regulated hazmat for shipping purposes. For more 303 British hunting and surplus loads, browse our full 303 British ammo selection.