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Federal Power-Shok .303 British 150 Grain JSP 20 Rnd Box
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$64.99
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SKU: 303B-029465085940
Overview
Built for shooters who want a straightforward .303 British load, this 150 grain JSP ammunition is suited to range work and hunting applications where dependable performance matters. It delivers a muzzle velocity of 2690 fps and muzzle energy of 2410 ft/lbs, with listed performance data extending out to 300 yards for planning shots at distance. Each box contains 20 rounds, making it a practical option for sighting in, practice, or keeping on hand for the field.
Why Hunters Choose the Federal
.303 British
Chambering suits compatible classic and
150 Grain
JSP bullet type is clearly
20-round Box
Practical quantity for range or
Published Velocity
Energy figures are provided at
Federal Power-shok
Line is described as designed
Key Features
- .303 British caliber with 150 grain JSP bullet
- 20 rounds per box
- Muzzle velocity listed at 2690 fps
- Muzzle energy listed at 2410 ft/lbs
- Velocity and energy figures provided at 100, 200, and 300 yards
Best Used For
- Hunters using .303 British rifles for general-purpose field shooting and practice
- Shooters wanting 150 grain JSP ammunition in a 20-round box
- Owners of firearms chambered in .303 British seeking factory ammunition
- Users comparing velocity and energy figures for load selection at distance
Specifications
| Bullet Type | JSP |
|---|---|
| Bullet Weight | 150 Grain |
| Caliber | .303 British |
| Energy At 100 Yards Ft Lbs | 1987 |
| Energy At 200 Yards Ft Lbs | 1624 |
| Energy At 300 Yards Ft Lbs | 1316 |
| Muzzle Energy Ft Lbs | 2410 |
| Muzzle Velocity Fps | 2690 |
| Rounds Per Box | 20 |
| Velocity At 100 Yards Fps | 2717 |
| Velocity At 200 Yards Fps | 2442 |
| Velocity At 300 Yards Fps | 1988 |
Pros
- .303 British chambering suits compatible classic and modern firearms
- 150 grain JSP bullet type is clearly specified
- 20-round box provides a practical quantity for range or field use
- Published velocity and energy figures are provided at multiple distances
- Federal Power-Shok line is described as designed for reliable performance
Considerations & Trade-offs
- This is a 20-round box, so it’s a relatively small quantity for shooters who need a larger supply for range sessions or extended use.
- The .303 British chambering limits this load to firearms specifically suited for that cartridge; it is not a general-purpose option across other calibers.
- The listed velocity and energy figures show a clear drop by 200–300 yards, so it is best evaluated with that range profile in mind.
- The product description presents it as suitable for a variety of firearms, but fit and compatibility still depend on the individual firearm’s chambering and specifications.
Suggested Comparisons
- .303 British hunting ammunition
- JSP centerfire rifle ammunition
- 20-round ammunition boxes
- hunting rifle ammo for classic calibers
Suggested Accessories
- Ammunition storage box
- Hearing protection
- Cleaning kit
- Range bag
Frequently Asked Questions
What caliber is this ammunition chambered in?
This load is chambered in .303 British.
What bullet type does this Federal Power-Shok load use?
It uses a JSP bullet type, as listed in the product data.
How many rounds come in a box?
Each box contains 20 rounds.
What velocity and energy are listed at the muzzle?
The listed muzzle velocity is 2690 fps and muzzle energy is 2410 ft/lbs.
Are there published downrange velocity and energy figures for this load?
Yes. The product data lists 2717 fps and 1987 ft/lbs at 100 yards, 2442 fps and 1624 ft/lbs at 200 yards, and 1988 fps and 1316 ft/lbs at 300 yards.