This magazine is made to Armscor/Rock Island Armory specifications and tolerances, using the same manufacturing and materials as the original equipment magazines, ensuring perfect fit and operation. The Rock Island Armory 1911 full size Magazine is a standard factory replacement magazine for high-capacity, full-size A-2 OR midsize 1911 models chambered in 22 TCM or 9mm WITHOUT a magwell. This steel magazine has a FLAT STEEL basepad and 17-round capacity with a blued finish. The Rock Island Armory 1911 Full Size Magazine is a standard factory replacement magazine. This magazine is for High-Cap A-2 1911 models chambered in 22TCM / 9mm and holds 17 rounds of ammunition.

Specifications: Caliber: 22TCM / 9mm, Capacity: 17 Rounds, Body Material: Steel, Color: Black, Floorplate: Steel.

This is for one 17 round magazine with FLAT BASEPALTE.

***THESE DO NOT WORK IN THE PISTOLS WITH THE EXTENED MAGWELL. IF YOUR PISTOL HAS THE EXTENDED MAGWELL YOU NEED ARMSCOR 54180B. THIS MAGAZINE ONLY FITS THE MODEL WITH THE STANDARD GRIP. IF YOUR OEM MAGAZINE HAS THE EXTENDED POLYMER, BASE PAD THIS MAGAZINE WILL NOT FIT. THIS IS THE CORRECT MAGAZINE IF YOUR OEM MAGAZINE HAS THE METAL BASE PLATE.***