The C6.45 LDA was defender sized. The officer's model was rollmarked "C7.45 LDA" and "Para Companion" on the other.
Eventually I decided I didn't like it. First off the stock extractor didn't hold tension. Then the mag release broke. Standard 1911 part wouldn't drop in.
I found that sight options were limited while wanting to ditch the three dots and go with my prefered front night sight plain rear arrangement. Dawson offers a variety of front sights, so I decided to have the rear dovetail recut to a novak lomount, which required welding. Since the rear sight wasn't "officer's model height" (.375") it didnt shoot POA... Thought about flat topping the slide and having the front dovetail recut to novak specs, however it was so deep I was worried about removing that much material. I ordered a taller, plain black front sight from dawson, with the intention of sighing it in, measuring, and ordering a night sight...
By the time I sighted it in I was so tired of it I traded straight up for a potmetal rimfire plinker made by airsoft company that, for some odd reason, Sig put their name on. Haven't looked back.
All of this because I hate three dot sights, and Para didnt offer plain black ones. At least, not when I called anyway.
The last time I saw a used C7 LDA, it was priced at $525. They were close to $800 new.
Having owned four series one Kimbers and that Para, I've pretty much swore off any 1911 with proprietary dovetails. I might consider another Kimber since the aftermarket offers more options today (namely 10-8).