The Hornady Sub-X .338 caliber rifle bullets are engineered for superior subsonic performance with 307 grain weight and advanced polymer tip design for consistent expansion.Hornady Sub-X Model 33394 rifle bullets.338 caliber (0.338 inch diameter) specification307 grain weight for optimal ballistic performancePolymer tip construction for reliable expansionCannelure design for secure bullet seating50 bullets per box packagingIdeal for reloaders seeking premium subsonic ammunition components these bullets deliver exceptional accuracy and terminal performance for hunting and precision shooting applications.