There were lots of Jan 6 weapons related convictions:
"180 defendants were charged with entering a restricted area with a dangerous or deadly weapon, which includes firearms and other types of weapons." [0]
What you described as a riot is considered by others to be part of a "fake electors" plot, to keep Trump in power after he lost the election [1], a plot which Pence didn't go along with. Trump even tweeted that day about it:
"If Vice President @Mike_Pence comes through for us, we will win the Presidency." [2]
"180 defendants were charged with entering a restricted area with a dangerous or deadly weapon, which includes firearms and other types of weapons." [0]
What you described as a riot is considered by others to be part of a "fake electors" plot, to keep Trump in power after he lost the election [1], a plot which Pence didn't go along with. Trump even tweeted that day about it:
"If Vice President @Mike_Pence comes through for us, we will win the Presidency." [2]
[0] https://www.reuters.com/fact-check/us-capitol-attack-rioters...
[1] https://en.wikipedia.org/wiki/Trump_fake_electors_plot
[2] https://www.presidency.ucsb.edu/documents/tweets-january-6-2...