WASHINGTON – Acknowledging opposition in Congress, President Barack Obama said Monday he is reviewing actions he can take on his own to confront gun violence and said he will present a plan within days.

Stronger background checks, a meaningful ban on assault weapons and limits on high-capacity ammunition magazines are all on the table, Obama said, although he conceded he was unsure how many of those steps could pass Congress. Fierce resistance from the powerful National Rifle Association has lawmakers from both parties wary of embracing tougher laws.

Senate Majority Leader Harry Reid, D-Nev., said Friday that while he thought an assault weapons ban may be able to pass the Democratic-led Senate, he doubted that it could garner the necessary support among the Republican majority in the House.