| Issue | #300 |
| Published | January 1977 |
| Cover Price | 0.30 USD |
| Pages | 36 |
| Editing | Joe Kubert |
| Notes | Noted on cover: Special 300th Issue. |
| Characters | Sgt. Rock; Easy Company |
| Genre | War |
| Pencils | Joe Kubert |
| Inks | Joe Kubert |
| Notes | Noted on cover: Special 300th Issue. |
| Characters | Sgt. Rock; Easy Company |
| Genre | War |
| Script | Bob Kanigher |
| Pencils | Joe Kubert |
| Inks | Joe Kubert |
| Characters | Numero Uno |
| Genre | War |
| Script | Bob Kanigher |
| Pencils | Lee Elias |
| Inks | Lee Elias |
| Genre | Humor; War |
| Pencils | Dave Manak |
| Inks | Dave Manak |
| Notes | Five-panel pin-up of a not so appreciated revelrie. |
| Characters | Sgt. Rock (in masthead) |
| Pencils | Joe Kubert |
| Inks | Joe Kubert |
| Colors | ?; Page color |
| Letters | typeset |
| Notes | Fan letters column. |
| Characters | Jonah Hex; Sinestro; Hawkman; Green Lantern; Star Sapphire; Batman; Omega Bomb Gang |
| Synopsis | Bullpen page. |
| Genre | Fact; news; bulletin |
| Pencils | Jose Luis Garcia Lopez; Rick Buckler; Ernie Chan [as Ernie Chua] |
| Inks | Jose Luis Garcia Lopez; Vince Colletta; Alfredo Alcala |
| Letters | typeset |
| Notes | Features previews to the following comic books: THE SECRETY SOCIETY OF SUPER VILLAINS #5; WEIRD WESTERN TALES #38; BATMAN #283. Sidebar entitled DIRECT CURRENTS listing comic books on sale the week of October 11, 1976. |
| Characters | Batman; Robin; The Muse; Rich Jaggard; Jim Colorado; Elfish Hipsley |
| Genre | Super-hero; humor |
| Pencils | Curt Swan (?) |
| Inks | Vince Colletta (?) |
| Notes | Advertisement for Hostess Cup Cakes (ITT Continental Baking Company). |