357 Mag VS 38 Special FPS Loss? Garmin C1 Pro Chronograph 
This video compares the muzzle velocity (FPS) of .357 Magnum and .38 Special ammunition across several revolvers using the Garmin Xero C1 Pro Chronograph. Featured firearms include a Smith & Wesson 327 N Frame Performance Center, a 4-inch Colt Python, a 6-inch S&W 629 Competitor, and an 8-inch Colt Python. The description also mentions a previous video with four revolvers comparing .357 Magnum vs. .38 Special FPS loss, with a link provided.










