Full-house 125-grain .357 Magnum loads had ferocious muzzle blast out of the 4-inch barrel and accelerated wear on the revolver. Probably the most famous user of the Model 13, however, was the Federal Bureau of Investigation, for whom it was the last issued service revolver. However, The Model 13 did have one last blaze of glory left in it. In the early ’90s, Smith & Wesson introduced their Performance Center, and back then it was much more of a custom gun shop than it is now. In 1995, the Performance Center took standard round-butt Model 13 frames and fitted 3-inch heavy barrels, but with a full underlug.