"If he wants to stick it to me, that's fine, too," Ryan said. "I'd love it."
It's a drastic change of tone from Ryan, who told reporters after last Thursday's preseason game that he would be looking for another kicker after Carpenter missed three field goals and one extra point in the preseason.
Ryan stuck true to his word: the Bills hosted veteran kickers Billy Cundiff and Alex Henery on visits Monday, sources told ESPN. But Carpenter remains on the roster as the Bills are set to open their season Sunday against the Indianapolis Colts.
"He's a kicker. You got to have skin like an armadillo to be a kicker," Ryan said Friday. "He has that. He knows he's kicking this week. So we'll see.
"But I will say this: he's kicked better [this week], for some reason. Maybe it's game time and all that stuff. And kickers are a little different sometimes. I remember Matt Stover. My gosh, sometimes he couldn't make a kick [in the preseason] and then you'd go in the real game and he doesn't miss them.
"And Dan has proven that he's that kind of kicker. He can kick here and he can kick in the conditions. I just want to make sure that he's ready. And I think he's ready to go."
The Bills are carrying both Carpenter and kickoff specialist Jordan Gay on their 53-man roster, but Ryan didn't commit to having Gay on his 46-man active roster Sunday.
"That's something that you don't really ... I think we're the only team in the league with one," he said. "But he better be great at it. And so I don't know what his numbers [are] but they're as high up as anybody's in the league.
"I haven't made my mind up if we're gonna go in with the extra kickoff guy or not, but we certainly have him on the team for those purposes."