This ACT-MAG manufactured Rock Island Armory Double Stacked 1911 Magazine is a standard factory replacement magazine. This magazine is for 1911 models chambered in .45 ACP and holds 13 rounds of ammunition. It is made of steel and is made for Armscor/Rock Island Armory to their specifications and tolerances, using the same manufacturing and materials as the original equipment magazines, ensuring perfect fit and operation. This magazine fits Rock Island Armory Double Stacked 1911 chambered in .45 ACP.

This is a FACTORY magazine for your Rock Island Armory / Armscor DOUBLE STACK 1911 45 ACP. RIA part no. 54171.

Specifications: Caliber: 45 ACP, Capacity: 13 Rounds, Body Material: Steel, Color: Black, Floorplate: Polymer, Removable.

This is for one 13 rnd DOUBLE Stack 1911 magazine.