This magazine is compatible with your colt 1911 officer and defender.
Caliber: 45 ACP
Capacity: 7rd
Finish: Black
Model: Defender
Material: Stainless Steel
Type: Detachable
Model Fit: 1911 Officer, Defender
Brand Fit: Colt
Capacity: 7
Caliber: 45 ACP
Capacity: 7rd
Finish: Black
Model: Defender
Material: Stainless Steel
Type: Detachable
Model Fit: 1911 Officer, Defender
Brand Fit: Colt
Capacity: 7