There are two major obstacles preventing people on the Right from responding to these riots in force.
(a) The selective application of justice which is now the status quo in Democrat controlled areas. The local Democrat authorities have shown that they will allow Leftist mobs to assault people and property with impunity -- however, you can rest assured that any Right-wing efforts to protect innocent lives, homes, and businesses will be prosecuted to the nth degree.
(b) The corporations that control media -- both mainstream and social -- are firmly in the Left's pocket, and will do everything in their power to paint any & all Right-wing resistance as racist, fascist, white supremacist, etc.
The Right has the advantage in terms of arms and people who are actually willing and able to do battle. Antifa and BLM are good at mobilizing and ganging up on people, but as we've seen they fold immediately when met with actual armed resistance. None of them would be worth a shit in a real combat scenario against a determined foe.
Still, I'm still not sure attempting to take serious counter-revolutionary action under these conditions is a wise move. If you look at public opinion measures that aren't contaminated by Leftist propaganda, the more Antifa and BLM commit violence against people and property, the more the average person's opinion of them sours. I think there is a clearly identifiable reduction in support for BLM now compared to say, a couple days after the George Floyd incident.
It's hurting the Biden campaign and helping Trump, and regardless of his flaws, getting Trump re-elected is something absolutely necessary at this point. I wasn't concerned about an Obama victory back in 2008, but look at how far things have fallen in just 12 years. What we are seeing now is the fruit of the seeds that were planted back then. I don't want to know what seeds a Biden Harris presidency will plant, or what the US will look like after they bloom.