This is a Desert Tan ProMag® 10-round magazine for AR-15 rifles in 5.56mm/.223 Rem.
These compact, 10-round magazines are crafted from lightweight Desert Tan polymer and perfect for target practice, prone shooting, and bench rest shooting. Providing the ultimate in flexibility, customizability, and reliability, the AR-15 platform is a perfect addition to any shooter’s arsenal. Customize and modify your rifle to your heart’s content—and ProMag magazines are there to keep it all running smoothly. Featuring chrome silicon internal springs and a compact shape that allows for maximum maneuverability with your rifle, these 10-round magazines are the perfect addition to any AR-15 arsenal. They also give you the opportunity to color code, allowing you to distinguish different calibers/loads at a glance.