He sees raising the clones as his redemption for all the foul things he has done in his past. When things are looking bad on Haurgab, Darman considers taking off his armor so he can die quickly.Amongst other things, armor has withstood blaster bolts, bullets, flamethrowers, grenades, and vaccuum.In the same short story, Fi is able to jump on a grenade and come out badly rattled, but alive.
The commandos are appreciative of their armor's durability and it helps them survive many a firefight. There are numerous instances of damage being negated by it. The characters are either wearing the unbreakable Mando beskar armor, or the cutting-edge nigh unbreakable Katarn commando armor.