Commander-length SW1911 on a scandium frame with a stainless barrel and slide. The PD (Personal Defense) designation indicates the carry-optimized scandium Commander configuration. At approximately 28 oz, one of the lightest Commander-length .45 ACP pistols in production. Type: Pistol Action: Semi-Automatic Caliber: 45 ACP Capacity: 8 Year introduced: 2006, USA Weight: 28 oz Overall length: 7.75" Status: Active Intended use: Concealed Carry / Backup