|Battery||Guns||Range (Yards)||AP per Gun||HE per Gun|
|Pasir Laba||2 x Mark VII 6 Inch BL||14,000||500||50|
|Buona Vista||2 x Mark 1 15 Inch BL||36,900||250||None|
|Labrador||2 x Mark VII 6 Inch BL||14,100||500||50|
|Siloso||2 x Mark VII 6 Inch BL||14,100||500||50|
|Connaught||3 x Mark X 9·2 Inch BL||29,600||250||30|
|Serapong||2 x Mark VII 6 Inch BL||14,100||500||50|
|Silingsing||2 x Mark VII 6 Inch BL||14,100||500||50|
|Johore||3 x Mark I 15 Inch BL||36,900||250||None|
|Beting Kusah||2 x Mark VII 6 Inch BL||14,100||600||50|
|Changi||2 x Mark VII 6 Inch BL||14,100||600||50|
|Sphinx||2 x Mark 24 6 Inch BL||24,500||600||50|
|Tekong||3 x Mark X 9·2 Inch BL||31,300||250||30|
|Pengerang||2 x Mark VII 6 Inch BL||14,100||600||50|
Ranges are taken from Records in the British National Archives. The ammunition listed for each gun was kept in the gun’s magazine. Additional ammunition was stored in a reserve magazine. One such reserve was on Mount Imbiah on Blakang Mati.
Note: The Sphinx 6 Inch Battery's Mark 24 guns had a 45° elevation compared to the 14° elevation of Mark VII Guns at all other 6 Inch Batteries.
Penang was defended by two Mark VII and two Mark 24 6 Inch BL Guns. An emplacement for two 9·2 Inch BL Guns had been constructed, but was unarmed when the war with Japan began.