This replacement magazine is built to Armscor / Rock Island Armory specifications for use in full-size 1911 A2 pistols chambered for .40 S&W or 10mm Auto. It provides a higher-capacity option for compatible Rock Island 1911 platforms and is constructed from blued steel for durability and traditional appearance. Intended as a factory-style spare or service magazine, it uses the same form factor and manufacturing tolerances as original equipment magazines to ensure reliable fit and feeding.
Key Specifications
- The magazine holds 16 rounds for extended capacity.
- Compatible with .40 S&W and 10mm Auto chamberings as specified by the manufacturer.
- Body construction is blued steel for durability and corrosion resistance.
- Designed to fit Rock Island Armory 1911 A2 full-size pistols and like-form 1911 platforms.
- The external finish is blued for a factory appearance.
- Overall dimensions are approximately 1.40 x 1.70 x 4.85 inches per product specifications.
- Listed as a detachable magazine for standard 1911 magazine wells.
- Model fit is specified as 1911 A2 in manufacturer data.
As a factory-style replacement, this Armscor/Rock Island Armory magazine complements full-size 1911 pistols where higher capacity and durable steel construction are required. Its blued finish and OEM-fit dimensions make it a practical addition to a range kit or spare parts collection for owners who prioritize tried-and-true construction and straightforward compatibility.





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