Holosun 407C X2 green dot optic with 2 MOA dot, RMR footprint, solar battery backup, shake awake, and 2-5 year battery life for $220 shipped currently here: https://flyingrich.com/6
This build was sponsored by IG:@invaderZip_ & IG:ZavairFirearms AKA http://22mods4all.com
Here is the lower to complete your AR-10!
PSA BLEM PA-10 Gen 3 Stripped Lower Receiver | Palmetto State Armory https://flyingrich.com/13
You need this AR-10 Kit! Check for the stripped lower!
PSA BLEM PA-10 Rifle Kit Gen3 18" Mid-Lgth .308 WIN 1/10 SS 15" LTWT M-lok ACS-L 2-Stage | Palmetto State Armory https://flyingrich.com/12