This is a Desert Tan ProMag® 42-round magazine for AR-15 rifles in 5.56mm/.223 Rem.
Get 42 rounds of firepower in a lightweight, polymer package with these Desert Tan polymer AR-15 magazines from ProMag! Featuring impact-resistant polymer construction and chrome silicon internal springs, these ProMag Ar-15 magazines are a cost-effective alternative to the competition. Each magazine comes with a lifetime guarantee, meaning ProMag will replace it free of charge if anything ever happens. 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.