The nationwide strike was called by Brazil's unions and mainly targeted the pension reform Bolsonaro is currently pushing for in Congress. Police launched tear gas at protesters who attempted to block Avenida Brasil
Tuesday's decree raised a limit on ammunition purchases to 5,000 cartridges per year for normal guns. The previous cap was 50 cartridges per year for average citizens, with discretionary limits for soldiers, police, hunters and some other categories left to the Brazilian military.
During his first state visit to Israel, the Brazilian leader is also expected to decide whether to follow President Donald Trump's lead and move the Brazilian Embassy from Tel Aviv to Jerusalem, a move that he has repeatedly promised.
Bolsonaro again warned that failure to overhaul the creaking social security system would bankrupt the country, while Economy Minister Paulo Guedes said he would quit if the president or Congress chose not to follow his policy recommendations.
The right-wing government of Bolsonaro said it recognized Juan Guaido, a Venezuelan opposition leader who is head of the Congress, as the rightful president of Venezuela - even though Guaido himself has not proclaimed himself president.