This is the ETS Sig P320, P250 9mm 21-round magazine. 

Extend your range time and protection power with these 21-round magazines from ETS. 

These translucent polymer magazines deliver exceptional durability without the added weight. With an anti-tilt polymer follower and high-tensile steel spring inside, you can count on the reliability to match. 

Thanks to the see-through design, you’ll never have to guess at how many rounds you have left. Did we also mention that it’s made in the USA?!

Whether your P320 or P250 is being used for home defense, concealed carry, or simply fun at the range, these 21-round ETS mags are just what you need! 

Add a few of these translucent ETS magazines to your order and save on shipping!