I'm changing a rear sight on one of my A2's from the standard to a meprolight night sight. The damn retaining pin is stuck inside the A2 lateral adjustment knob. It won't budge with a push from a small screwdriver. How do I get this out? I figured I'd ask before I break something by accident....
At last, after 2000 years of work, the Illudiom "Pew36" Explosive Space Modulator!"