> >“…Or do
half a dozen 25mm High Explosive Armor Piercing rounds, better placed due to
their flatter trajectories, give a better anti-armor (or anti materiel)
perfomance than half a dozen 40mm HEDP grenades?...”
That, HELL Yes !
BOTH are quoted on having 50 mm penetration.
U.S. Infantry Weapons Reference Guide “ The high explosive
dual purpose round can penetrate 2 inches (50 mm) of armorplate, 12 inches (300
mm) of pine logs, 16 inches (400 mm) of concrete blocks, or 20 inches (500 mm)
of sandbags at ranges up to 1,312 feet (400 m).
I saw this thread coming!
“…One could start another CALIBER discussion on 40x53mm vs.
25x59mm (mk-47 vs. xm-3017)…more ammo or more powerful ammo, more accurate or
more devastating, cheaper ammo, COMMON AMMO, the next ammo 25mm… etc…”
Anti-aircraft capabilities of low-velocity 40 and 60 mm
grenade launchers? Expense of cannon
with roof mount? Effect at very short
range either type? 12.7 mm is versatile
and relatively cost-effective in comparison.
Ideally you might have a tank platoon mix but combined arms already
addresses that in theory. I have no
background in armor and won't be offended by sharp criticism on the subject, so
let fly ;>)
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