i have the sti spartin. it is a very nice gun. i have about 2000 rounds out of it. i was shooting last week and the rear site broke at the screw. where the blade hooks to the windge screw. well i called them and told them what happend they were very nice and helpful, he asked if i was able to get the screw out. he wand to find out if he need to send me the whole rear site set up. i got the screw out and droped it he said that he will send me a new screw too. and he orderd a holster from me so it was a very good cust serivce.