Essex frame and slides are made out of castings. Les Baer slide and frames are forged. That is why they are more expensive. If I was you I would take a look at Caspian products. I`ve been using them for years and never had a problem.You can check out their site at www.caspianarmsltd.8m.com/
David www.santurriltd.com
David www.santurriltd.com