EraThr3 M-LOK AR-15 Rail
The EraThr3 M-LOK AR-15 Rail is a solid top notch choice. What you want in a rail is less weight and same strength. The EraThr3 M-LOK AR-15 Rail certainly does that. A rail does not have to be overly bulky and heavy. There are tons of rails out there, some really great and some not. I have used Parallax Tactical's lightweight rail in the past and liked it. But the EraThr3 M-LOK AR-15 Rail is lightweight and just as durable. So for the Budget Jack Carbine AR-15 Build I chose E