The Armscor Mag Rock Island 1911 22TCM 17RD magazine is a factory-spec replacement built for Rock Island Armory 1911 A-2 high-capacity pistols chambered in 22 TCM or 9mm. Constructed from blued steel with a robust polymer base plate, it mirrors the original equipment design to deliver consistent feeding and dependable performance at the range or in training.

This detachable 17-round magazine is engineered to fit Rock Island 1911 A-2 and TCM A1 pistols, making it a practical spare for extended practice sessions or competition use. Its steel body and tuned spring are designed to handle the fast 22 TCM cartridge as well as 9mm, while the flared polymer base pad aids in secure seating and quick reloads. Backed by Armscor’s long-standing reputation for value and reliability, it is a straightforward upgrade or replacement for your Rock Island pistol.

Key Features:

• Manufacturer: Armscor
• Model: Mag Rock Island 1911 22TCM 17RD (54180B)
• Caliber: 22 TCM / 9mm
• Capacity: 17 Rounds
• Type: Pistol Magazine
• Material: Steel Body With Polymer Base Plate