The Hornady SST (Super Shock Tip) in 7mm (.284) with a 139-grain profile is a jacketed, polymer-tipped reloading bullet intended for precision and dependable terminal performance. It pairs a secant ogive, boat-tail geometry with Hornady’s InterLock core-to-jacket locking feature to promote consistent expansion and retained mass. These bullets are packaged 100 per box for reloading use across a range of medium to larger game applications.
Key Specifications
- The caliber is 7mm (.284).
- The bullet weight is 139 grain.
- The ballistic coefficient is 0.486 (G1).
- The sectional density is 0.246.
- The bullet type is SST (Super Shock Tip).
- The tip material is Polymer.
- The jacket material is Copper.
- The core material is Lead.
- The box contains 100 bullets.
- The external design features a secant ogive, boat-tail profile and includes a cannelure.
For reloaders and precision-minded shooters, the Hornady 139 gr SST offers a combination of aerodynamic efficiency and engineered expansion characteristics. Its polymer tip and InterLock construction support consistent ballistic performance and weight retention, making it a practical choice for a variety of field and range loading applications.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




