I am looking at a Caspian, and when slide is locked, it is very tight--no free play at all. I took it apart, and I just happend to put the gun all back together with everything but the recoil spring. Without the recoil spring, there is about .002" free play in the side-to-side between frame and slide. I don't know if this is proper way to determine slide tightness. Is this normal for a custom gun. I thoght this is kind'a loose. But this is also the first time I felt a 1911 this way without the recoil spring.