British tank guns info
Vary light weapons:
Vickers 0.5 inch machine gun – A smaller round than the .50BMG. (burst fire)
Boys Anti-tank rifle 0.55 inch – It fire a slightly larger round than the .50BMG. (single shot)
Besa 15mm auto-cannon – Smaller weapon than the 20mm. (burst fire)
Pre-war tank weapons:
QF 3 pounder gun 32cal – A medium velocity gun designed pre-war.
QF 3 pounder gun 40cal – Longer barrel version of above weapon.
15 pounder mortar – This is the close support (CS) counter part to above, it is a short range weapon.
Early-war weapons:
QF 2 pounder Mk IX – Pre-war production version.
QF 2 pounder Mk X – Mid to late war production version.
QF 2 pounder Mk XB – Late war version fitted with littlejohn adapter (squeeze bore).
QF 3.7 inch howitzer – Pre-war CS counter part to above weapons.
QF 3 inch howitzer – Improved version of above weapon.
QF 25 pounder howitzer - Used in Africa as anti-tank gun.
QF 3 inch AA gun - Dew to a large number of spare weapons it was planed to be used as an anti-tank gun.
QF 3.7 inch AA gun - The British equivalent to the 88, but only used as an anti-tank in an emergency.
Mid-war weapons:
QF 6 pounder Mk III – Early production version, short barrelled version(L/43 barrel)
QF 6 pounder Mk V – Long barrelled version (L/50 barrel), with muzzle brake.
QF 6 pounder squeeze bore – Prototype gun fitted with a squeeze bore adapter.
QF 95 mm howitzer – CS counter part of the above weapon.
M3 75 mm – Standard US weapon scavenged from damaged tank and fitted to Churchill's
QF 75 mm – Modified 6 pounder weapons, they use US ammunition.
Late-war weapons:
Vickers HV 75 mm – Prototype design fit a larger high velocity gun in the Cromwell turret.
QF 17 pounder Mk II – Early tank version, no muzzle brake.
QF 17 pounder Mk VI – Tank version with muzzle brake, possible improved performance.
QF 77 mm HV – Modified version of above (same shells, smaller shell cases).
QF 32 pounder – Prototype heavy anti tank gun, capable of being fitted to a tank.
Post-war weapons:
QF 20 pounder Mk I – Post-war replacement for 17 pounder.
OF 20 pounder Mk II – As above fitted with bore extractor.
L7 105 mm – Almost the NATO standard tank gun, developed in late 50's
L1 120 mm – Developed from the US gun (120 mm T53).
L11 120 mm – Developed for Centurion upgrade (Chieftain) in the late 50's.
140 mm – Prototype developed in parallel with the L11 120 mm.