After waiting a week and a half for it to arrive, I was very disappointed to find out that the 12" Aero Precision ATLAS S-ONE rail I bought for my current AR pistol build would not mate correctly with the Mega Arms upper receiver I had intended it for.

I would like to find a decent 11" to 12" rail for this AR pistol build. I prefer lightweight and M-Lok but I'm open to any offers. If you have something you think might work for me please send a PM. An 11" to 12" Mega, Zev or Strike Industries rail would be ideal but again, I'm open to offers. Someone help me out!

I'm willing to buy your rail or trade you my Aero Precision 12" ATLAS S-ONE. I'm in Everett. Here is a picture of the build I'm intending to use the rail for. All of the accessories are Strike Industries in anodized blue (so blue may be an option as a rail color for this too).