PGU-42/B API

The PGU-42/B armor-piercing, incendiary (API) round is a 20mm round employed by the United Nations Space Command. It is capable of being fired from the AV-22 Sparrowhawk's GAU-23/AW/Linkless Feed Autocannon alongside the M718 SAPHEI. Some PGU-42/B ammunition is loaded with a depleted uranium core.