The Armstrong 110-pound gun was succeeded by various RML 7 and 8-inch guns.

The ship also had six 20-pounder Armstrong guns for use as saluting guns.

Armstrong guns were efficiently used by the troops of Satsuma and Saga throughout the war.

And you may be interested to know that the British have withdrawn the Armstrong guns from service for the same reason you just mentioned.

It had been planned to replace all the 68-pounders with seven-inch Armstrong guns, but poor results in testing brought a halt to this plan.

The 40-pounder Armstrong guns were replaced with a better design of the same calibre in 1863.

Therefore, she was equipped with two 3 inches Armstrong guns.

Between 1860 and 1861, the defences were improved to accommodate new muzzle loaded Armstrong guns.

She had silenced all the Armstrong guns from the Junín armoured turret.

The ship also had four breech-loading 12-pounder Armstrong guns for use as saluting guns.