My current favorite AR-15 is this .300 Blackout SBR, There are many reasons I love this rig.
What I don't love is confusing mags.I did one. Luckly, nothing happened. I marked the mags with some blue masking tape but that not good enough. I was going to buy mags that were a different color but I already have a mountain of mags.
--I decided on paint and a stencil. I am thinking a classic B.