Hornady Traditional Rifle Bullets 7mm .284 139 gr. BTSP Interlock 100 BoxHornadys traditional line of bullets feature exposed lead tips for controlled expansion and hard hitting terminal performance. The InterLock ring is embedded in the core, ensuring the core and jacket are locked in one piece during expansion to retain mass and energy. Inner grooves strategically weaken the upper section of the jacket, ensuring consistent, controlled expansion, even at long range. The tapered jacket is controlled for expansion at all