The Winchester Ballistic Silvertip 7mm-08 Remington 140-grain Polymer Tip Brass 20-round box is a premier centerfire rifle cartridge engineered specifically for harvesting whitetail deer, pronghorn, and medium game where predictable trajectory, reduced wind drift, and reliable energy transfer are required. A common friction point with conventional lead soft-point ammunition is erratic terminal expansion across variable impact velocities, which can cause bullet breakup or shallow penetration. Winchester resolves these ballistics challenges by pairing its precision-drawn brass cases with the Ballistic Silvertip projectile, utilizing a metallic silver polymer tip and a Lubalox-coated exterior to ensure uniform expansion and minimal bore friction.
The primary technical advantage centers on the interaction between the silver polycarbonate tip, the boat-tail profile, and the specialized Lubalox black oxide coating. Possessing a 0.454 G1 ballistic coefficient, the 140-grain bullet minimizes atmospheric drag and wind deflection across downrange flight paths. Upon target impact, the polymer tip drives rearward into the lead core, mechanically initiating rapid, wide-diameter expansion, while the jacket geometry regulates deformation to maintain deep penetration into vital organ zones. Additionally, the proprietary Lubalox coating reduces barrel friction and engraving resistance, curbing metal fouling and maintaining shot-to-shot velocity consistency over long hunting sessions.
Launching its 140-grain polymer-tipped bullet at 2,770 FPS, this Supreme Ballistic Silvertip loading delivers flat flight paths and decisive hydrostatic disruption on medium game. Assembled using premium reloadable brass cases, clean-burning propellants, and non-corrosive Boxer primers, it provides consistent chamber pressure, tight velocity tolerances, and smooth feeding across short-action bolt-action rifles and semi-automatic platforms. It is an outstanding choice for deer stands, timber hunting, and open-field medium game pursuit.
Key Benefits
- Ballistic Silvertip Projectile: Polymer tip initiates immediate, uniform expansion while protecting the bullet nose in the magazine.
- Lubalox Surface Coating: Reduces barrel friction, engraving resistance, and metal fouling to preserve velocity and barrel accuracy.
- 0.454 G1 Ballistic Coefficient: Streamlined boat-tail geometry minimizes drag for flatter trajectories and reduced wind drift.
- Precision Reloadable Brass: Quality virgin brass cases ensure uniform neck tension, smooth feeding, and long reloadable life.
Technical Specification
- Ballistics: 7mm-08 Remington | 2,770 FPS Muzzle Velocity | 0.454 G1 Ballistic Coefficient
- Projectile: 140 Grain | Ballistic Silvertip® | Silver Polycarbonate Tip | Boat-Tail Base | Lubalox® Coating
- Case/Primer: Precision-Drawn Virgin Reloadable Brass Case | Non-Corrosive Boxer Primed
- Logistics: 20 Rounds Per Box | Winchester Supreme Ammunition Series
- Dimensions: Standard 7mm-08 Rem Geometry | Short-Action Bolt & Semi-Auto Compatible | SKU: SBST708
- Application: Medium Game Hunting, Whitetail Deer, Pronghorn Antelope, Feral Hogs, and Black Bear
- Standards: SAAMI Compliant | Winchester Factory Quality Control Benchmarks
SMKW provides verified factory ammunition with consistent lot performance and supply chain reliability, making it a dependable source for hunting-specific rifle loads.
