Hitting at least 3 enemies with an attack, restores 12-15% toughness.
Hitting at least 3 enemies with an attack, increases your cleave by 140-200% for 2 seconds.
5-8% Strength for every 10% of magazine spent during continuous fire. Stacks 5 times.
2-5 bullets loaded from Reserve on Critical Hit.
Achlys might be better these days but I've never liked it.
Unfortunately, there's not a ton of variance in Ogryn ranged builds, so you probably won't stray from this much.