It's pretty concerning that there are those among "us" that don't understand the difference between voting for dems or republicans regarding the Second Amendment.
There are certainly republicans that could be better on 2A, including the president. Let's not confuse could be better with wanting the 2A removed, as is the platform of the dems.
The Second Amendment is paramount to the the whole constitution. Nothing else matters without the Second Amendment. Without the 2A, tyrants can and will change or remove the constitution as they choose.
It's entirely your right to vote based on a single issue.
It's entirely mine to assess each candidate in each race and weigh in my mind what I believe best for the township, county, city, state and country.
If you are greatly concerned about Dems being "among 'us'," I'd suggest you get hold of the admin. Perhaps you can the undesirables removed.