Description

Federal 303 British 180gr Power-Shok ammunition keeps the classic British service cartridge working in the field. The 180 grain jacketed soft point leaves the muzzle at about 2,460 feet per second and delivers the traditional heavy bullet performance that made the 303 a trusted hunting round around the world. Each box holds 20 rounds of affordable, Federal quality ammunition.
- A Classic Cartridge with a Classic Bullet
- Federal 303 British 180gr Power-Shok Specifications
- Tips for Hunting with a 303 British
A Classic Cartridge with a Classic Bullet
The 303 British served as the standard military round of the British Empire for more than half a century, chambered in rifles such as the Lee-Enfield. Many of those rifles now serve as deer and hog guns, and they deserve ammunition built for hunting rather than surplus target loads.
Power-Shok uses a traditional lead core, jacketed soft point bullet. On impact the exposed lead tip starts expansion while the jacket controls how far it opens, giving a good balance of expansion and penetration on medium and big game. The heavy 180 grain weight carries momentum well through brush and timber.
Federal loads Power-Shok with quality brass, primers and propellant at a price that makes it easy to practice with the same ammunition you hunt with.
Federal 303 British 180gr Power-Shok Specifications
These figures follow Federal’s published data for item 303AS. Federal’s product page lists UPC 029465091422, which matches this listing.
- Brand: Federal
- Product line: Power-Shok
- Manufacturer item number: 303AS
- Caliber: 303 British
- Bullet: 180 grain jacketed soft point
- Muzzle velocity: about 2,460 fps
- Ballistic coefficient: .328
- Bullet length: 1.140 inches
- Usage: big game
- Rounds per box: 20
Tips for Hunting with a 303 British
Use Federal 303 British 180gr Power-Shok ammo only in rifles chambered for 303 British, and have older military rifles checked by a qualified gunsmith before use.
Military sights are often regulated for different loads. Zero your rifle with this ammunition before the season.
Keep most shots inside 200 to 250 yards, where this heavy soft point carries strong energy and a manageable trajectory.
Save your fired brass. 303 British cases are rimmed and reload well for handloaders.
Federal 303 British 180gr Power-Shok ammo is a proven choice for owners of Lee-Enfield and other 303 rifles who hunt deer, hogs and black bear, and for collectors who enjoy shooting their rifles with quality factory ammunition.
Heavy for caliber bullets have always been the traditional choice in the 303. Federal 303 British 180gr Power-Shok ammo carries roughly 2,420 foot pounds of energy at the muzzle by standard calculation, comparable to many popular deer cartridges, and the long bullet holds its line well through light brush.
The 303 British is a rimmed cartridge, which makes it reliable in the box magazines and single shot actions it is usually fired from. Rifles chambered for it include the Lee-Enfield family, Ross rifles and a range of sporting conversions. Federal 303 British 180gr Power-Shok rounds give all of these rifles a hunting load that is easy to find and easy to afford.
Accuracy in older rifles can vary with bore condition. Shoot a few groups at 100 yards before the season to learn how your rifle handles this load, and clean the bore thoroughly if it has been stored for a long time.
Keep your ammunition in a cool, dry place in its original box. Buying a few boxes of Federal 303 British 180gr Power-Shok from the same lot keeps your zero consistent from range day to opening morning, and the extra rounds make practice affordable.
For hog hunters, the heavy soft point is especially useful because wild pigs have thick shoulder plates and tough hide that reward deep penetration.
Prefer a lighter, flatter load? Compare the Federal 303 British 150gr JSP, or read Federal’s Power-Shok 303 British product page for full ballistics.








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