Hi all!
I started really learning about firearms this year. Other than shooting a .22 in scouts I didn't have much exposure to guns as a kid, other than an unhealthy amount of first person shooter video games and the military channel. I picked up my HQL, a VP9, designators collectors status...
I just picked up a Ruger AR 556. It's my first rifle. I put the mag in and pressed the release and nothing happened. The button depressed, but the mag didn't drop. I loosened the release screw a couple turns and that didn't help. However, when I pushed out the takedown pin and separated the...