Armscor builds this factory replacement magazine (part no. 38.747) to Rock Island Armory’s own specifications for the full-size, single-stack 1911 chambered in 22 TCM, which also accepts 9mm using the same magazine. It holds 10 rounds in a steel body with a polymer base plate and a stainless finish, manufactured with the same materials and tolerances as the magazine that shipped with the pistol to ensure correct fit and reliable function. This magazine is built specifically for the single-stack RIA TCM Rock Standard pistol and is not intended for double-stack 1911 variants. For Rock Island Armory 22 TCM owners who want a genuine factory spare, this handgun magazine is a dependable, correctly-fitted choice.

Key Specifications

• Chambered for 22 TCM and 9mm, both fed from the same magazine body.
• Holds 10 rounds, the standard single-stack capacity for this platform.
• Fits the Rock Island Armory full-size single-stack 1911 in 22 TCM.
• Built with a steel magazine body and a polymer base plate.
• Finished in stainless for a corrosion-resistant appearance.

Frequently Asked Questions

Can this magazine feed both 22 TCM and 9mm? Yes, the same magazine body is designed to feed both calibers in the RIA TCM pistol.

Will this fit a double-stack 1911? No, it’s built specifically for the full-size single-stack RIA TCM Rock Standard pistol.

Buy the Rock Island Armory Full-Size 1911 10-Round Magazine

A factory-correct spare keeps a 22 TCM 1911 feeding reliably in either caliber. Order it from our Lubbock, Texas gun shop for fast, insured shipping.