Hornady Sub-X 7.62×39 .3115 255 gr FTX 100/Box

Description

Hornady Sub-X (Subsonic eXpanding) bullets are engineered for subsonic reloading applications, delivering controlled expansion at reduced velocities. The design pairs a lead core with a gilding-metal, cannelured jacket and the patented Flex Tip insert to promote reliable expansion and feeding. Cannelures provide a positive case crimp for use in semiautomatic firearms and gas-system guns. These bullets are intended for reloaders who require consistent subsonic terminal performance and dependable feeding.

Key Specifications

• Intended for caliber 7.62x39mm.
• Bullet weight is listed as 255 grains in the marketed product name and specification fields.
• Bullet diameter is specified as 0.3115 inch in manufacturer listings.
• Bullet type: FTX (Flex Tip) with a hollowpoint cavity and Flex Tip insert.
• Quantity per box: 100 rounds.
• Boxes per case: 15.
• Jacket: gilding metal jacket with cannelures to allow positive case crimp.
• Ballistic Coefficient (G1): 0.365.
• Sectional Density: 0.374.
• Designed to expand reliably at velocities down to approximately 900 fps.

These Sub-X bullets offer reloaders a purpose-built option for subsonic applications where controlled expansion and reliable feeding matter. With Flex Tip technology and a cannelured jacket, they are a practical choice for precision subsonic loads and semi-automatic function requirements.