Hornady American Whitetail .243 Winchester 100 Grain BTSP InterLock Overview Hornady American Whitetail .243 Winchester ammunition is precision-engineered for hunters targeting medium game. Featuring a 100-grain InterLockA(R) Boat Tail Soft Point (BTSP) bullet, this round combines flat trajectories with deep penetration and controlled expansion. Delivering a muzzle velocity of 2960 fps and muzzle energy of 1945 ft-lbs, it is a reliable choice for whitetail deer and similar-sized game. Key Features Caliber: .243 Winchester Bullet Type: InterLockA(R) Boat Tail Soft Point (BTSP) for flat shooting and controlled expansion Bullet Weight: 100 grains Casing Material: Brass for consistent performance and reloadability Performance: Muzzle Velocity: 2960 fps Muzzle Energy: 1945 ft-lbs Ballistic Coefficient: 0.405 for improved long-range accuracy and energy retention Sectional Density: 0.242 for effective penetration and reliable performance Specifications Rounds per Box: 20 Boxes per Case: 10 Game Type: Medium Game UPC: 090255380477 MPN: 8047 Applications Perfect for: Medium Game Hunting: Optimized for whitetail deer, mule deer, and similar-sized game Long-Range Hunting: Suitable for extended distances with high accuracy Additional Features InterLockA(R) Technology: Ensures the core and jacket remain bonded for controlled expansion and deep penetration Boat Tail Design: Improves ballistic performance for a flatter trajectory and greater accuracy Optimized Load: Specifically tuned for whitetail hunting with consistent performance