NuMex Big Jim
Also called the "Legacy Big Jim" by some vendors. Thick walled 7-9" long, green to red peppers. Great for rellanos. Has a great yield for fresh green chile. Roast and either can or freeze. Really easy to peel after freezing. Slightly more pungent than the 6-4, but has a lot of variability from plant to plant. 500-2000 Scoville Heat Units.