This is a factory Sig Sauer P220 .45 ACP 8-round magazine. 

The Sig P220 was built to meet and exceed military standards, so this genuine 8-round magazine had to match that build quality. 

These stainless steel magazines feature a high-quality steel spring and anti-tilt polymer follower that all work together to deliver the utmost durability and reliability. On each side of the magazine, you’ll find numbered witness holes to help you easily keep track of your remaining rounds.

Your P220 may have come with a few magazines to begin with, but you can never have too many. Whether you utilize your P220 for concealed carry or home protection, these are the magazines you want to feed it with. 

Add a few of these genuine Sig P220 magazines to your cart, and rest easy knowing you have the best!