5.56MM ELP REPLACE A CORE FINE POINT. HEADSTAMP WINCHESTER 223 REM. TIP COLOR RED/COPPER/BLACK. 55gr. G-3 ELP Fine-Point Replace-A-Core√î SABOT projectile in a 223 cartridge. As part of the ELP Replace-A-Core√î family designed specifically for instant field projectile flexibility. The outer SABOT component of this 3-Part projectile is a unique laminated composite with a unique Rare-Earth internal component that holds various Core Insert options in place.