The Colt Officers/Defender .45 ACP 7-Round Stainless Steel Magazine is a factory OEM magazine purpose-built for Colt's compact Officer-sized 1911 platforms. Constructed from stainless steel with a steel base plate, it is compatible with Colt 1911 Defender, Officer's, and New Agent compact-frame models as well as similar mil-spec clones. Features include polished stainless steel construction, a flush-fitting steel floor plate, a steel wire spring, and clear-cut witness holes for quick visual round count in any conditions. The corrosion-resistant stainless finish ensures long-term durability against moisture, sweat, and environmental exposure — ideal for everyday carry. This retail-packaged version ships ready for immediate use as a primary, spare, or backup magazine. Colt Officers/Defender .45 ACP 7rd SS 1911 Magazine (Retail Packaged) SP579991-RP