I am getting a used P2000SK. Unfortunately it does not include the large backstrap. I use the large on my P2000 and I'm thinking I will prefer it on the SK, as well. If you have one laying around you want to sell, let me know what you want for it. If you have one I could borrow to see if I will like it on the SK I'd be glad to pay shipping both ways to make sure before I purchase one new.