STARLINE BRASS 454 CASULL (50 PK) CALIBRE_300 PRC The InterLock retains more mass

The InterLock retains more mass and energy for deep penetration and large

The Uniflow-III Powder Measure is the most accurate Uniflow that RCBS has ever produced

The SuperTerrain Serrations are uniquely designed protruding serrations on the slide

XTP bullets were specifically designed to expand reliably at a wide range of handgun velocities to deliver deep penetration with every shot

Air capacity

STARLINE BRASS 454 CASULL (50 PK) CALIBRE_300 PRC The InterLock retains more massStarline is a family owned business and prides itself on producing the highest quality brass case available. With a production process focused on quality not quantity, Starline makes the finest brass and has for more than 40 years. It is our unique manufacturing process and the commitment of our team of employees that distinguish us from the competition.