I was looking through Arms Unlimited's website and found a Colt LE6930CK upper half. It is listed as having a 10.3" barrel and quad rail. I don't recall ever seeing a LE6930, so I searched the internet. I didn't find anything other than perhaps some typing mistakes. Is this some made-up thing by Arms Unlimited or is it an actual unique offering from them that you can't get anywhere else?

https://armsunlimited.com/colt-6930-...bly-10-barrel/