This is the Armscor Rock Island Armory 1911 .45 ACP 8-round magazine. 

Armscor/Rock Island Armory is known for its high-quality firearms and magazines, and this one is no different! 

Featuring a steel body and follower, plus an impact-resistant polymer base plate, this 1911 magazine delivers superior durability. You’ll also find it easier than ever to keep track of your remaining rounds thanks to the side-facing witness!

From the range to home defense, this premium 1911 magazine is sure to please! 

At this price, you might as well throw several in the cart!