Titanium Cylinder. 11.5 ozs. 38+P Ser#CDF5xxx. This is not an "AirWeight" and you won't get it for an AirWeight price. Made 1year 1999. Some shipped later but were replaced by 357/38 cal in 2000. Perfect deep cover LEO gun. 50 rounds thru gun most were standard pressure,hell they kick like a mule. Hits POA at 15 feet with 110GD's 135+P GD"S and 110 HydraShocks. carried a lot shot a little. Few shiny spots on sharp corners only. $600.00 to LEO $800.00 to CCW. FTF Colorado. Or trade for S&W 1911 PD Commander size in like condition. Consider Sig 1911's and maybe some cash to you too depending on model. Too light for me!