The Captain's Journal has an excellent piece on the current push for gun control, entitled "The Goal Is People Control, Not Gun Control." It is worth the read.
Here's the thing in a nut-shell. The cultural Marxists have studied Mao Tse Tung. They know, as he said: "Every Communist must grasp the truth; 'Political power grows out of the barrel of a gun.'" The leftists know this truth just as surely as did the men who drafted the Second Amendment. And the leftists want all the power.