BulletRenderer

public class BulletRenderer extends AbstractRenderBullet {

    private static final ItemStack STACK;
    private static final ResourceLocation TEXTURES;

    public BulletRenderer(EntityRendererManager manager) {
        super(manager);
    }

    @Override
    public ItemStack getStack() {
        return STACK;
    }

    @Override
    public ResourceLocation getTextureLocation(Entity entity) {
        return TEXTURES;
    }

    static {
        STACK = new ItemStack(ModItems.BULLET.get());
        TEXTURES = new ResourceLocation(GunMod.MODID, "textures/item/bullet_sheet");
    }
}