.303 British Headstamps and colour-coding Headstamps and colour-coding

| Headstamp_ID | Primer_Annulus_Color | Bullet_Tip_Color | Other_Features | Functional_Type |
|---|---|---|---|---|
| H2 | None | None | Entire case blackened | Grenade-Launching |
| H4 | None | None | Case blackened 3/4 inch from each end | Grenade-Launching |