Last reviewed: 2026-04-18 by Jake Terry, FFL07/SOT3, NRA-certified firearms instructor.
For medium game hunters working open country where holdover matters, the Grizzly Cartridge Trophy Grade 25-06 Remington 100 grain Swift Scirocco II load pairs velocity with aerodynamic efficiency. This is a bonded polymer-tip bullet exiting at 3350 fps, generating 2243 ft-lbs of muzzle energy. The secant ogive and 15-degree boat tail base yield a G1 ballistic coefficient of 0.429, flattening trajectory past 300 yards and maintaining velocity downrange. Grizzly Cartridge Company loads each round under direct inspection by the company founder, ensuring dimensional consistency from primer pocket to crimp.
Load Profile
The Swift Scirocco II is an internally bonded core bullet, meaning the lead core is chemically fused to the tapering copper jacket during manufacture. This bond prevents core-jacket separation on impact, a failure mode that costs penetration and exits on quartering shots. The polymer tip initiates expansion at velocities from 3300 fps down to 1800 fps, while the heavy jacket walls control mushroom diameter. Sectional density is 0.216 — adequate for deer, antelope, and hogs at any realistic hunting range. Brass cases carry Boxer primers; they’re non-corrosive and designed for reloading. Each 20-round box ships at 1.17 pounds and is DOT-regulated as ORM-D.

Technical Breakdown
| Spec | Value |
|---|---|
| Caliber | 25-06 Remington |
| Bullet weight | 100 grains |
| Bullet type | Swift Scirocco II Polymer Tip Boat Tail |
| Muzzle velocity | 3350 fps |
| Muzzle energy | 2243 ft-lbs |
| G1 ballistic coefficient | 0.429 |
| Sectional density | 0.216 |
| Rounds per box | 20 |
| Case | Brass |
| Primer | Boxer |
| Corrosive | No |
| Reloadable | Yes |
| Lead free | No |
| Manufacturer | Grizzly Cartridge Company |
Pair this load with rifles chambered in 25-06 Remington built for accuracy at distance. The high ballistic coefficient and flat trajectory suit open terrain where wind and drop matter. Browse the full 25-06 ammo catalog for alternative bullet weights and designs.
Safe Handling & Compliance
Federal law requires purchasers to be at least 18 years old for rifle and shotgun ammunition, and at least 21 for handgun ammunition. Ammunition cannot be shipped to certain states, counties, and cities — review our ammunition shipping restrictions before ordering. Store ammunition in a cool, dry location away from heat sources and out of reach of unauthorized users.
- Follow the four universal rules of firearm safety at all times.
- Verify current state and local laws governing ammunition purchase and possession in your jurisdiction.
- This product contains lead. Per California Proposition 65, exposure to lead is known to cause cancer and reproductive harm. Handle spent cases with care and wash hands after range sessions.





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