On Wednesday morning, two Republicans who hours earlier had toppled Kevin McCarthy as speaker of the Home made a well-worn trek to a Nineteenth-century brick townhouse just a few blocks away from the Capitol and entered the cluttered sanctuary of Stephen Ok. Bannon’s recording studio.

Representatives Matt Gaetz of Florida, the instigator of the rebel, and Nancy Mace of South Carolina, one in all seven different Republican defectors, huddled with Mr. Bannon for a morning assembly forward of a joint look on his “Battle Room” podcast.

“Tectonic plate shift right here within the imperial capital,” Mr. Bannon advised his listeners at showtime, whereas directing them to donate to his visitors on-line. “We should stand within the breach now. Now we have to lance the boil that’s Ok Avenue on this nation.”

From this cavelike studio not removed from the place Congress meets, Mr. Bannon, the previous Trump adviser, has been stoking the chaos now gripping the Republican Celebration, capitalizing on the spectacle to construct his personal following and utilizing his widespread podcast to prop up and egg on the G.O.P. rebels.

Mr. Bannon has spent years selling the lie that the 2020 presidential election was stolen from former President Donald J. Trump, railing towards coronavirus mandates and what he refers to as a “prison invasion of the southern border.” His obsession of late was toppling Mr. McCarthy and taking out what he describes as “uniparty” Republicans who’ve turn into indistinguishable from Democrats.

With Mr. McCarthy’s historic downfall this week, his wing of the celebration has claimed its most outstanding trophy.

Mr. Bannon represents a transparent via line from the grievance-driven MAGA base to Congress. And his function within the meltdown that performed out this week within the Home helps clarify why the Republican Celebration seems to be consuming its personal. He is a crucial a part of a suggestions loop of red-meat media hits and social media posts, on-line fund-raising and unfettered preaching to an typically offended and fervently right-wing base that rewards disruptions and detests establishments.

In previous many years, right-wing rebels on Capitol Hill have encountered hassle getting actual traction — shunned by lobbyists and big-money political motion committees, excluded from management suites within the Capitol and disregarded by Fox Information. However with the assistance of Mr. Bannon, who streams reside for 4 hours each weekday, Mr. Gaetz and others don’t must depend on any of that.

Mr. Bannon casts the agitators as heroes to his devoted MAGA acolytes, and helps enhance their small-dollar fund-raising. He participates in calls with members and donors. He presents strategic recommendation. He hounds Fox Information hosts who he argues don’t give them a good shake. However largely, he presents an unfiltered platform the place particular person rabble-rousers can communicate on to the bottom, identified on “Battle Room” as “the posse,” creating extra incentives for them to wreak havoc on the Home flooring.

For weeks, Mr. Bannon has been strategizing with Mr. Gaetz on the bid to take down Mr. McCarthy, providing himself up as a sounding board as Mr. Gaetz plotted his strikes.

“KABOOM,” Mr. Bannon texted a reporter on Monday evening, minutes after Mr. Gaetz filed his long-dangled movement to oust the speaker.

He has additionally inspired hard-right lawmakers to make use of the Home flooring to yank laws as far to the correct as potential — incomes themselves media consideration within the course of. His recommendation to them: “Get an modification. Make it as outrageous as potential. Simply be on there — don’t fear in the event you’re not on Fox — we’ll minimize it, we’ll play it.”

On Wednesday, Mr. Bannon launched his visitors on his podcasts because the “architects and heroes of yesterday” and gave them airtime to make a fund-raising pitch.

“I do need assistance as a result of they’re coming after me,” Mentioned Ms. Mace, who represents a politically aggressive district. “They’ve threatened to dry up all my cash. I’ve had a number of members, earlier to the vote final evening, threaten to withhold fund-raising if I took this vote. It’s an enormous quantity of stress. They name your employees, they scare them.” Twice, Mr. Bannon cued her to spell out her marketing campaign web site in order that listeners may discover it.

His viewers continues to be cautious of Ms. Mace, a fiscal conservative who leans towards the middle on some social points and voted to carry Mr. Bannon in prison contempt for defying a subpoena from the Jan. 6 committee.

However Mr. Bannon sees her as a present. Her vote to oust Mr. McCarthy allowed him and his cohorts to push again on the notion that it was solely an offended group of ultra-MAGA hard-liners who had misplaced religion in Mr. McCarthy.

“Nancy is just not a hard-right intransigent lawmaker,” Mr. Gaetz mentioned on the present. “Nancy is a fiscal hawk.”

Ms. Mace has beforehand known as Mr. Gaetz a “fraud” and accused him of opposing Mr. McCarthy as a result of he wouldn’t defend him towards “allegations that he sex-trafficked minors.”

However all of that gave the impression to be water below the bridge the morning after Mr. McCarthy’s ouster. They had been, at the least quickly, allies. On Wednesday, they sat subsequent to one another in Mr. Bannon’s basement, the place books about China, Trump and smart weight reduction applications reside in messy piles on any flat floor that avails itself. Notes from Mr. Trump written in his trademark Sharpie (“Steve! Your present is sooooo nice — Happy with you! Donald”) sit stacked with different miscellany.

The group was nonetheless digesting the historic occasions of the day before today, whereas determining their subsequent strikes. They determined, collectively, to make use of Wednesday’s broadcast to look forward, moderately than to “dunk” on the previous speaker.

“He was punching down; it was actually ugly final evening,” mentioned Ms. Mace, whom Mr. McCarthy focused at his night information convention, suggesting she was mendacity when she claimed he had not stored his phrase.

Throughout industrial breaks, they mulled who may be the subsequent speaker, however there was no clear reply. “I requested Jim Jordan on the ground yesterday, you’re going to be the subsequent speaker?” Ms. Mace mentioned. She turned to Mr. Gaetz with an thought. “Wish to go meet with any of them as we speak, collectively? Like, Scalise or Jordan or anybody?” He was noncommittal.

Mr. Bannon was, too.

“I’m simply going to see the way it develops,” he mentioned. “Who’s received the stones to tackle the equipment?”

Mr. Gaetz has described himself to folks as a “Bannonite tribalist.”

Mr. Bannon, for his half, is in awe of Mr. Gaetz, whom he compares to Daniel Webster. He credit the Florida Republican with recognizing early on final 12 months how useful a slim G.O.P. majority might be to the exhausting proper.

“He sat proper right here in July and talked about how we weren’t going to have a 30- or 40-seat majority, however that was truly going to be higher,” Mr. Bannon mentioned. “We had been going to have leverage. He’s a really particular man.”

Lots of the newer rebels in Congress have relied on Mr. Bannon for backing as they give the impression of being to make their very own mark.

Consultant Lauren Boebert of Colorado mentioned she was grateful to him for lately providing her a slot on his present to speak in regards to the southern border, moderately than to rehash her embarrassing night at “Beetlejuice.”

“Steve is an precise trusted supply, he understands that my one private evening out doesn’t impression the work that I’ve been doing for 4 years,” she mentioned. “Steve understands the bottom and what the bottom needs. I don’t go on there for the donor side, however I’m grateful when of us do chip in.”

Mr. Bannon’s title is commonly greeted with a watch roll, even amongst Trump loyalists. He’s seen by some as a person who has made the incorrect wager on candidates, just like the failed Senate candidate in Alabama, Roy Moore, and has an inflated sense of his personal affect. He was charged with defrauding donors who had been giving cash to construct a wall alongside the southern border, earlier than being pardoned by Mr. Trump. He was sentenced to 4 months in jail for prison contempt of Congress for defying a subpoena and is free whereas he appeals the conviction.

However final week, as Mr. Bannon’s cohort debated amendments to the annual army spending invoice on the Home flooring, Mr. Bannon was glued to C-SPAN like a proud stage father or mother.

“That is purple meat,” Mr. Bannon exulted, as Consultant Matt Rosendale of Montana defended an modification that might prohibit necessary coronavirus vaccines for service members, referring to the vaccine as an “experimental drug.”

Mr. Bannon, an unrepentant agent of chaos, admits he was spoiling for a authorities shutdown.

“You create a firestorm now that absolutely adjustments issues,” he mentioned. “Folks proper now suppose authorities is a profit. I’m going to indicate authorities spending as cootie-infested.”

Mr. Bannon can be famously temperamental. He has turned on former buddies, like Consultant Marjorie Taylor Greene of Georgia, for backing Mr. McCarthy throughout the speaker’s race and on the debt ceiling deal. She has been blacklisted from the present for months.

However after she mentioned she was against any spending payments that included assist to Ukraine, Mr. Bannon mentioned he was warming again as much as her. “There’s at all times a path again,” he mentioned.

On Wednesday morning, Mr. Bannon and his visitors tried to mood their glee.

“Don’t enable the posse to get punch drunk,” Mr. Gaetz mentioned on the present. There was extra work to do.

Mr. Gaetz and Ms. Mace stayed for 3 segments of the present, till it was time for Mr. Rosendale to choose up the mantle and fireplace up the bottom.

“I’ll discuss to you later as we speak,” Mr. Bannon mentioned as Mr. Gaetz confirmed himself out.