Hornady InterLock .45 Cal (.458) 350 grain round-nose bullets are engineered for reloading and big-game hunting applications where consistent weight retention and controlled expansion are important. These bullets incorporate a copper jacket over a lead core and Hornady’s InterLock ring to help maintain core/jacket integrity during impact. The round-nose profile supports dependable seating and reliable feeding in compatible cartridges.
Packaging
Box: Sold per box containing 50 bullets, the standard retail unit for reloaders and handloaders.
Case: Can be ordered by the case; some listings indicate a case of 15 boxes (750 rounds). A case quantity is achieved by ordering the required number of boxes.
Key Specifications
- Bullet weight is 350 gr.
- Bullet diameter is 0.458 inches.
- Caliber/Gauge is .45 Caliber.
- Bullet type is Round Nose.
- Jacket material is Copper.
- Core material is Lead.
- Quantity per box is 50 Per Box.
- Brand style is InterLock.
- Ballistic Coefficient (G1) is 0.189.
- Sectional density is .238.
Manufactured to Hornady’s quality standards, these InterLock bullets provide consistent dimensions and construction for reloaders and hunters who value reliable performance and predictable terminal behavior. Their proven design and materials make them a practical choice for responsible use where accuracy and retained mass matter.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.




