I've got plenty of frangible rounds for my AR....they do a number on appliances so I think they would be as equally devastating on robots...unless they develop exterior shields.....in which case I'm screwed....I like zombies better, softer targets
Hell, give me a zombie over a damn killbot any day of the week. Me, I'm working on a handheld, minimal kick-back Fifty cal. repeater that oughtta work on the Terminator models (T-800 series, you understand--lord help us if we have to face the liquid metal monsters). It'll knock the engine out of a payloader at thirty yards, yer bugger.