It's designed for small targets, but it packs a big punch. The SG-X is a durable and deadly head for small-game hunters. It features Muzzy's famous replaceable Trocar tip, spring-loaded arms and a stainless steel body for maximum performance. Per 3. Available: 100 grain, 125 grain. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Small-Game Heads.