This is the Mec-Gar SIG P229 .40 S&W 10-round magazine.

Mec-Gar is back with another high-quality magazine, this time for your Sig Sauer P229! 

Expertly crafted, this magazine features a carbon steel body, an anti-tilt follower, and a flush-fitting baseplate molded from drop-resistant polymer. The end result is an exceptionally durable and reliable magazine. 

Although it is a full-size magazine, it’s legal in all 50 states due to its 10-round capacity. From the range to your holster, this magazine is capable of doing it all. 

Ten rounds can go fast, so pick up a couple of these magazines today!